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Net Energy Gain from a Berry Geometrical Phase: Low-Energy Perturbations of the Strong Interaction and the QCD Mass Gap

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24 August 2023

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25 August 2023

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Abstract
Berry curvature is deemed responsible for generating mechanical work in a strongly metastable system containing dynamically responsive clathrate hydrate structures within a crystal-fluid material. High energy degeneracy in the associated chemistry produces local stability and false vacuum conditions that lead to non-extensive and non-additive contributions in the fundamental thermodynamic relation. The reciprocating action of a piston expander also confirms a net energy gain despite the crystal-fluid material maintaining almost constant density. Hyperbolic curvature produces non-extensive volume changes attributed to gluon emission and absorption in a U(2) electroweak symmetry group synchronized across the condensed matter system, the embedding vacuum manifold and associated quantum interactions. The property of asymptotic freedom is apparent across these three domains providing evidence for scale-invariance that dominates both the macro- and micro-scales of an associated Ginzburg-Landau superconducting phase transition. External pressure perturbations of the low-energy system initiate ‘rolling’ critical responses that conserve energy and momentum across the synchronized U(2) group and also reveal an emergent gauge field. Corresponding emergence of the Ginzburg-Landau superconducting phase transition is consistent with gauge-invariant coupling of this scalar field to the Yang-Mills action of QCD. The discovery of an energy gap in the gradient energy term of the system Lagrangian is associated with a critical correlation length and consistent with a complex energy band gap in the Berry phase. Coupled with the emergence and absorption of the Higgs-like scalar field, a mechanism for describing the QCD mass gap arises.
Keywords: 
Subject: Physical Sciences  -   Particle and Field Physics

Introduction

The experimental investigation on which the current exposition is based has been previously reported [1]. This earlier work identifies the emergence of spontaneous diamagnetism and paramagnetism associated with clathrate hydrate structures (or water ice cages) as critical phenomena responsible for work output in a kinetic system. The accompanying exposition centres upon a superconducting phase transition where scaling laws reveal the emergence of a critical correlation length ξ. The Ginzburg-Landau parameter κ (defined in Appendix A) is revealed together with topological ordering. It is shown [1] that relativistic length expansion and time contraction on a Lorentz manifold, as derived from variable inertia, determine the critical correlation length ξ. Also, it is briefly acknowledged that the Ginzburg-Landau theory of superconductors identifies gauge-invariant coupling of a scalar field to the Yang-Mills action in quantum chromodynamics (QCD). These relativistic and quantum aspects of the findings are examined here in further detail within the context of Berry curvature, complex energy band gaps and the QCD mass gap.
Situations can arise in thermodynamics whereby a physical system is prevented from attaining its lowest energy and highest entropy state through the existence of an energy barrier. False vacuum conditions can result from such metastability in the extreme so that on short timescales a positive, non-minimum energy density cannot be raised or lowered in response to external interactions. Where an energy barrier is maintained through dynamic inhomogeneities, a system can be isolated from external interactions through local stability conditions, as characterized by a non-concave entropy function [2]. The process of thermodynamic isolation is also described by the characteristic of asymptotic freedom in particle physics [3]. Opposition to dynamical change is established through complex reorganization of individual system components, ie. degenerate hydrogen bonding in dissipative condensed matter systems [1]; gluon splitting and recombining in the case of colour confinement; and gluon exchange in quark confinement [3,4]. The experimental results reported in [1] reveal that water ice cages can give rise to false vacuum behaviour as a result of which non-additive and non-extensive long-range interactions generate work in a constant energy, Hamiltonian oscillator.
The low-energy system reported encompasses both a crystal-fluid material and its embedding vacuum manifold whereby variable hyperbolic curvature of the embedding manifold rather than any fluid mechanical response determines the swept volume V of a piston expander and hence the work performed by the system. The chemical and physical properties associated with water ice cage structures are also shown to elicit magnetic and superconducting behaviours that facilitate the Berry curvature even though the material maintains almost constant density.
The crystal-fluid is composed of dissipative, reorganizing, guest-free, water ice cages suspended within a polar dielectric inhibitor solvent. The formulation results in false vacuum behaviour [5] such that the material part of the system is effectively isolated from any external thermodynamic interactions. However, despite the presence of strong local stability conditions, it is possible to perturb the system through external pressure interactions to induce a ‘rolling’ critical response [6] that in turn imposes a hyperbolic curvature action on the vacuum manifold to ultimately deliver a net energy gain, ie. an additional source of energy enters the system.
Hyperbolic curvature derives from the negative potential of the false vacuum established by the variable effective radius (ie. variable inertia) of the highly degenerate system. Conservation of angular momentum requires that a reducing effective radius produces an acceleration whilst an increasing effective radius produces a deceleration. Since the crystal-fluid retains constant total energy, acceleration acts to reduce hyperbolic (or negative) curvature of the embedding manifold whilst deceleration increases hyperbolic curvature, via quantum interactions in both instances. The associated changes in swept volume V are thereby non-extensive.
During the ‘rolling’ critical response, the magnetic and superconducting behaviours are quantified by a distinctive universality class of critical exponents. Variable manifold curvature alters the electric and magnetic properties of the system to establish a phase transition from Type-II superconductivity to a dual of Type-I superconductivity where the spontaneous magnetic field Hs, as an ‘auxiliary’ order parameter, reduces to zero [7]. Following this, ordering is attributed to an emergent complex parameter field, similar to the topological ordering of spin ices as described by Castelnovo et al. [8].
A definitive theory of quark confinement remains elusive despite experimental and lattice gauge theory/ computer simulation successes. The QCD large lattice technique is based upon strong coupling conditions so that perturbative techniques are deemed impractical. From a mathematical perspective, the confinement problem is known as the mass gap problem. A promising solution originally proposed by t’Hooft [9] and Mandelstam [10] claims that the ground state of QCD is a dual superconductor in which quarks are confined by chromoelectric vortices. These vortices are analogous to the Abrikosov vortices seen in Type-II superconductors.
In a dual superconductor, the roles of the electric and magnetic fields are exchanged so that in this case the electric field is excluded. The significance of dual superconductivity in furthering an understanding of the strong interaction is examined in comprehensive reviews by Ripka [11] and Kondo et al. [12]. The superconducting phase transition is consistent with Ginzburg-Landau theory revealing gauge-invariant coupling of a scalar field to the Yang-Mills action of QCD [12]. The emergent gauge field is associated with an apparent broken symmetry with gradient energy expressed on the hyperbolic surface of the system where the electric field is excluded. However, gauge symmetry is revealed not to be broken but rather decomposed and synchronized to become more capacious in extent.
A model for the emergent gauge symmetry is presented here to account for the net energy gain initiated by the ‘rolling’ critical behaviour (and subsequent geometrical action of the vacuum manifold) in terms of Noether-conserved quantities, ie. energy and angular momentum for the case being considered. Since a topological phase factor, or Berry phase, reveals gauge structure in quantum mechanics [13], the existence of a parity-time (PT) symmetry may account for quantum mechanical interactions manifesting as real energy [14] in the gradient energy term of the Lagrangian associated with the dual superconductor phase transition [1].
Emergence of the gauge field corresponds to a critical correlation length ξ that represents long-range ordering of magnetic spins. This divergence is responsible for an energy gap in the gradient energy term consistent with energy band gaps reported in non-Hermitian PT symmetric systems [15]. Furthermore, the existence of a mass gap in QCD is necessary to explain why the strong interaction is strong but only short-ranged. Confirmation of a mass gap would also account for the fact that quantum particles have positive masses even though classical waves travel at the speed of light [16]. Evidence of Berry phase curvature and the Ginzburg-Landau parameter κ [1] thus enables insights into the Yang-Mills action and the mass gap phenomenon in QCD.

Experimental evidence and background material

The temperature and pressure of the crystal-fluid are measured at five-second intervals with sensors that have direct contact with the crystal-fluid and recorded by a PLC/ PC monitoring system. All values for energy and thermodynamic potentials are derived from the pressure and temperature measurements by the NIST REFPROP program/database [17]. The calculations are in accordance with GERG-2008 modified by the Kunz and Wagner Model 0 (KW0) [18]. The piston expander is completely immersed in a heat bath with a temperature of 270K, approx. The schematic arrangement provided in Figure 1 is reproduced from [1].
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Figure 1. Schematic arrangement of the experimental apparatus in which a negative pressure material is formulated and manipulated. Dissipative structuring of the crystal-fluid material is controlled with a view to establishing a power cycle in the piston expander through non-equilibrium, non-extensive volume displacements.
Figure 1. Schematic arrangement of the experimental apparatus in which a negative pressure material is formulated and manipulated. Dissipative structuring of the crystal-fluid material is controlled with a view to establishing a power cycle in the piston expander through non-equilibrium, non-extensive volume displacements.
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A negative pressure fluid is established by the Berthelot method [19]. Approx. 3.5 grams of crystal-fluid are transferred into a previously evacuated stainless-steel sample vessel (50ml). A low-energy, negative pressure regime results in the formation of water ice cages hosting methane molecules. The sample vessel is completely immersed in a relatively large heat bath (70 litres) where the temperature of the bath is controlled with an electric element and a refrigeration dip cooler. Once the desired temperature is obtained, the sample is released into the fluid-side of the 0.5 litre retracted piston expander, also completely immersed in the heat bath, which displaces the piston vertically upwards to the fully-extended position. The gas-side of the piston is open to atmospheric pressure during this extension. This action reduces the energy of the system further and is intended to transfer the guest methane molecules from the host water ice cages to similar structures within the inhibitor solvent. Negative and positive piston displacements are then induced through pressurized nitrogen perturbations to produce negative and positive work outputs where displacement ratios are 1:100 and 100:1, approx.
From completion of the Berthelot mixing process through subsequent positive and negative displacements of the piston expander, REFPROP determines that the crystal-fluid material remains in a subcooled liquid phase, as recorded in Appendix A of [1]. It is both astonishing and remarkable that 3.5 grams of material does not transition to a vapour or gas, nor produce any methane outgassing, when contained within the initial sample volume of 50 ml. More remarkable still is that an additional work-generating positive piston displacement of 0.5 litre also has no effect upon the integrity of the subcooled liquid phase. A conventional interpretation in terms of fluid mechanics would locate all the crystal-fluid material in the lowest section of stainless-steel tubing connecting the sample vessel to the piston expander (excluding any capillary action) due to ordinary gravity and the generation of work would be inconceivable. This perplexing and counterintuitive outcome is examined in more detail below together with supporting mathematical expressions.
In addition to the temperature and temperature measurements, only the piston position and mass of the material components are required to calculate all the thermodynamic properties, critical exponents and scaling relations shown in Appendix A of [1]. Whilst validity of the REFPROP calculations may be reasonably challenged, it has been demonstrated successfully that the program/ database is very sensitive to outgassing and re-absorption events associated with phase transitions in similar materials when performing quasi-thermodynamic cycles [5]. In such circumstances methane outgassing accompanies the formation of low-energy, guest-free water ice cages and is consistent with the fluctuation-dissipation theorem. With these phase-change processes, long-range interactions are also established whereby non-additivity in the fundamental thermodynamic relation is revealed.
Figure 2 is reproduced (with some additional annotation) from the recent experimental results reported in [1] where Points 1-4 identify particular stages of the work cycle in a low-energy system; Stage 1-2 corresponds to negative displacement of the 0.5 litre piston expander and Stage 3-4 corresponds to positive displacement.
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Figure 2. Excess internal energy potential resulting from excess thermodynamic potentials. All values for energy, work and thermodynamic potentials are derived by the NIST REFPROP program/database based only upon temperature, pressure and mass measurements together with the piston position. The calculations are in accordance with GERG-2008 modified by the Kunz and Wagner Model 0 (KW0). The piston expander is completely immersed in a heat bath with a temperature of 270K, approx.
Figure 2. Excess internal energy potential resulting from excess thermodynamic potentials. All values for energy, work and thermodynamic potentials are derived by the NIST REFPROP program/database based only upon temperature, pressure and mass measurements together with the piston position. The calculations are in accordance with GERG-2008 modified by the Kunz and Wagner Model 0 (KW0). The piston expander is completely immersed in a heat bath with a temperature of 270K, approx.
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Changes in negative potential energy and internal energy vary in a 1:1 relationship after discounting the Pv work term associated with the walls of the vessel. Thus, a linear oscillator or constant Hamiltonian function is described. The associated affine non-concave entropy function reveals local stability conditions achieved through dynamically responsive inhomogeneities, ie. the complex reorganization of dissipative structures composed of water ice cages, such that energy cannot be minimized and entropy cannot be maximized [2]. Specific volume and internal energy are shown to be highly constrained intensive parameters.
Loss of homogeneity is characteristic of phase transitions that give rise to critical phenomena. The discovery of a distinctive universality class of critical exponents that obey the scaling laws of Fisher, Rushbrooke, Widom and Josephson [20] reveals spontaneous magnetic and superconducting properties for the crystal-fluid material investigated. A phase transition from Type-II superconductivity to dual Type-I superconductivity is described by the Ginzburg-Landau parameter κ where the spontaneous magnetic field Hs transitions from negative to positive [1] and a complex order parameter field Ψ(r) emerges. The associated spontaneous magnetism Ms can be either positive or negative such that the phase transition increases hyperbolic curvature (positive piston displacement) or reduces hyperbolic curvature (negative piston displacement), respectively.
Hyperbolic curvature derives from the Gaussian radius Rg, as calculated in Appendix B of [1]. This enables the hyperbolic surface area of a hollow, walled sphere having effective radius R to be determined (A = 4πsinh2(R/2)). The hyperbolic surface area maps almost exactly to the negative inverse of the gradient energy where topological defects are introduced. The external pressure perturbations may be interrupted at any point such that the swept volume V, and hence the hyperbolic curvature, becomes fixed and stable. This suggests that the non-equilibrium gradient energy is captured and confined within the hydrogen bonded structuring of the water ice cages when the system relaxes into a non-critical, stable state.
Inequalities in the associated Maxwell relations together with calculations of the hyperbolic geometry reveal non-additivity and non-extensivity in the fundamental thermodynamic relation. Additivity can be restored through a gradient energy term (or a coupling energy) [21]. Extensivity can be restored through hyperbolic curvature, ie. non-extensive changes in swept volume V. The coupling energy is derived from the critical correlation length exponent v in 3-dimensions combined with values of a scalar field Φ as derived from the gradient energy term -½(∇Φ)2 of the Lagrangian such that:
c o u p l i n g   e n e r g y   ∝ e Φ 3 v
The critical correlation length ξ associated with the universality class is linked to hyperbolic curvature through Lorentz boosts, ie. relativistic velocity and the reference frames associated with acceleration and deceleration [1]. The critical correlation length ξ is revealed to be a Lorentz length expansion; a relativistic phenomenon coinciding with the formation of magnetic spin patches. The relativistic time contraction linked to the critical correlation length is also revealed in Figure 3 where the y-axis representing scalar field values has units of s-1, ie. the reciprocal of time.
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Figure 3. Effect of inertia and critical correlation length ξ on the magnitude of the scalar field Φ. A gradient energy term -½(∇Φ)2, as derived from the Lagrangian function, describes the dynamical system. This in turn reveals scalar field Φ values associated with the critical response. The gradient energy of the Lagrangian corresponds to the hyperbolic geometry and topology of the system, as well as its inertial potential. In considering the variable effective radius r of the system (ie. its ‘hidden’ inertia), the corresponding Euclidean volume ~ e3r.
Figure 3. Effect of inertia and critical correlation length ξ on the magnitude of the scalar field Φ. A gradient energy term -½(∇Φ)2, as derived from the Lagrangian function, describes the dynamical system. This in turn reveals scalar field Φ values associated with the critical response. The gradient energy of the Lagrangian corresponds to the hyperbolic geometry and topology of the system, as well as its inertial potential. In considering the variable effective radius r of the system (ie. its ‘hidden’ inertia), the corresponding Euclidean volume ~ e3r.
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Again, the correlation length ξ is associated with a superconducting phase transition and related to a Lorentz boost in 3-dimesional space [1]. Its value reveals the presence of self-organized criticality responsible for a ‘rolling’ critical response in accordance with:
ξ   ~   │ T −   T c │ − v
where T is the system temperature and Tc is the critical temperature. Both temperatures are dynamic under external pressure perturbation to reveal sustained anisotropy in the water ice cage structures in either direction. ξ corresponds to an energy gap in gradient energy and increasing values of the gauge field Φ are associated with relativistic length expansion and time contraction [1].
The gradient energy term -½(∇Φ)2 equates to PV work (ie. it corresponds to the least action principle of the Lagrangian) whilst the hyperbolic surface area is a function of the effective radius of the system. Both properties are calculated from experimental results [1]. In order for the gradient energy to be fully expressed on the surface of the system, it is necessary to introduce topological defects at the superconducting phase transition where the spontaneous magnetic field Hs moves from negative to positive through zero. For positive Hs, ordering is attributed to the emergence of the complex parameter Ψ(r) and the topology associated with magnetic frustration and charge fractionalization.

Analysis and discussion

Gauge symmetry

Experimental results reveal a relativistic manifestation of length expansion and time contraction arising from false vacuum behaviour in a thermodynamically constrained condensed matter system. The local stability conditions maintained through dynamically responsive inhomogeneities in this soft matter are deemed equivalent to the property of asymptotic freedom, or antiscreening, which accounts for the mechanism of colour confinement in particle physics, ie. scale-invariance is effective across the micro- and macro-scales. In QCD it is the emergence of clouds of virtual gluons that establish the antiscreening phenomenon [3]. In both mechanisms, increasing kinetic energy is mirrored by an increasing negative potential such that total energy remains constant.
Whilst the crystal-fluid material displays high stability in total energy and density, the embedding manifold always remains on the threshold of instability. Small positive or negative pressure perturbations produce divergent critical behaviour manifesting as large variations in swept volume V. However, this is not the specific volume of the material system (density remaining almost constant) but rather the non-extensive volume changes associated with the embedding vacuum manifold as it exhibits hyperbolic curvature [1].
The ‘rolling’ critical response initiated by anisotropy in water ice cage structures facilitates net energy gain for the duration of external pressure perturbations, either positive or negative, in a display of self-organized criticality [22]. The angular momentum of the material is transferred to or from the embedding vacuum manifold through self-organizing behaviour and high energy degeneracy of the water ice cage structures. However, this brief statement does not provide a full description and a more detailed hypothesis follows.
Work derived from the piston expander can be expressed in terms of an electromagnetic pseudo-scalar gauge-invariantly coupled to the gauge field Φ and the critical length exponent v. The relationship is in agreement with the cosmological inflation model proposed by Ratra [23]:
∫ P d V =   1 2   F μ ν F μ ν e 3 v Φ
where the covariant vector Fμν and contravariant gradient potential Fμν combine to produce Lorentz invariance for the pseudo-scalar field when rotated on a hyperbolic manifold, ie. the electromagnetic field pseudo-scalar reflects the geometry resulting from non-extensivity of the non-equilibrium system.
In the quasi-micro-canonical ensemble [1], the electromagnetic field pseudo-scalar acts as the coupling mechanism but contributes no work in itself. It expresses the hyperbolic curvature of the vacuum manifold whilst forming the magnetic exchange pathways that facilitate energy transfers either to or from the vacuum manifold. The inner-product of the E and B fields remains the same viewed in all relativistic frames [24] with the pseudo-scalar field remaining Lorentz invariant such that:
1 2   F μ ν F μ ν =   B 2 −   E 2 c 2 =   c o n s t a n t
where c is the speed of light.
Ginzburg-Landau theory states that the free energy of a superconductor near a phase transition can be expressed in terms of a complex order parameter field [25]:
Ψ r = Ψ ( r ) e i Φ ( r )
Then the complex coupling energy term e3vΦ maps to a complex wavefunction as:
e i Φ 3 v → Ψ ( r ) e i Φ ( r ) 3 v
where the quantity |Ψ(r)|2 reflects the density of superconducting charge carriers; electrons for Type-II and the magnetic counterpart arising from gauge monopole defects for dual Type-I [11]. Appendix A provides a summary of the Ginzburg-Landau theory of superconductors.
Various conceptual approaches for interpreting magnetic monopole phenomena have recently been presented by Cayssol and Fuchs [26]. In complex form the coupling energy term strongly resembles a quantum mechanical wavefunction in which the energy spectrum is entirely real and observable. Ψ0(r) corresponds to the emergence of the gauge field Φ at the Type-II to dual Type-I superconducting phase transition. Dissipation of either the scalar field or the critical correlation length ξ would represent a collapse in the wavefunction.
Application of de Moivre’s formula and isomorphic mapping of the complex field to rotational matrix form gives:
e i Φ 3 v =   cos ⁡ 3 v Φ + i sin ⁡ 3 v Φ →   cos ⁡ 3 v Φ i   sin ⁡ 3 v Φ   − i   sin ⁡ 3 v Φ cos ⁡ 3 v Φ ≕ V
and similarly expressing electromagnetic duality as rotations in the 2-dimensional real plane:
1 2   F μ ν F μ ν →   cos ⁡ 3 v Φ − i   sin ⁡ 3 v Φ i   sin ⁡ 3 v Φ cos ⁡ 3 v Φ ≕ V H
Then the conjugate transpose of (7) is (8) and VVH = 1 suggesting that PV work of the piston expander is contingent upon the decomposition of a Hermitian unitary matrix A into two 2 x 2 non-Hermitian unitary matrices (ie. two complex matrices V and VH containing both real and imaginary components such that VH ≠ V) [27]. The gauge field and the electromagnetic pseudo-scalar are thereby coupled through a marginal interaction.
Although this interpretation appears at odds with the expression for PV work stated in (3), in fact any 2 x 2 complex symmetric matrix A can be eigendecomposed into a diagonal matrix D sandwiched between two complex unitary matrices, ie. VDVH in this case. Minkowski spacetime vectors can be represented by 2 x 2 orthogonally diagonalizable matrices and incorporated into the extended physical VDVH decomposition to reveal Berry curvature:
D ≔ e Φ 3 v 0   0 e Φ − 3 v
These Hermitian matrices exhibit basic 3-dimensional rotation as well as 4-dimensional Lorentz transformation properties consistent with the relativistic length expansion and time contraction responsible for non-extensive PV work, as revealed through the experimental results [1]. Thus, the 2 x 2 unitary matrix A as a member of the U(2) symmetry group is decomposed into factors identifiable as both Hermitian and non-Hermitian.
When represented in terms of gauge symmetry groups [27], the U(1) group of electromagnetism (via its mapping to SO(2) in the 2-dimensional real plane) and the SU(2) group of the complex order parameter Ψ(r), are in fact subgroups of the U(2) group such that:
U 1 ⊗ S U 2 /   Z 2 →   U ( 2 )
which describes a mapping to a Yang-Mills electroweak symmetry group [28] where Z 2 represents the topology associated with the condensation of gauge monopoles [29]. Formation of the U(2) group is accompanied by critical behaviour and emergence of the gauge field Φ as predicted by the Yang-Mills theory.
The dual superconductor model has several interpretations that require condensation of gauge monopoles, just as normal superconductivity results from the condensation of electric charges (or Cooper pairs – see Appendix A) [11,12]. Theoretical frameworks for the condensation of gauge monopoles have been structured in terms of Abelian gauge-invariance (the SU(2) gauge symmetry group) or non-Abelian gauge-invariance (the SU(3) gauge symmetry group). Recent efforts [12] have sought to extract the Abelian component responsible for gauge-independent quark confinement from non-Abelian gauge-invariance required for gauge monopole condensation without losing the essential characteristic of asymptotic freedom.
In the vacuum of a dual superconductor, the dual Meissner effect compresses the chromoelectric flux between a quark and antiquark into a thin flux tube to form the hadronic string [11,30]. As the distance between quark and antiquark increases, the flux tube becomes longer whilst maintaining a minimal thickness. This geometry ensures that the energy increases linearly with length to create a linear confining potential between the quark and antiquark that bears a similarity to the linear oscillating Hamiltonian of the system. The flux tube defines the extent of QCD vacuum suppression, ie. positions where the colour-electric field is maximally expelled to establish dual superconductivity [31].
Yang-Mills theory requires the existence of both chromomagnetic monopole condensation and the dual Meissner effect [11,12]. The force carrying gauge bosons of QCD are gluons which perform a similar role to photons in electromagnetism. Since the gluon field represents a local expulsion of the QCD vacuum, the absorption of physical gluon emissions into the QCD vacuum would tend to reduce local ‘space density’ and effective magnetic permeability μ0. The net effect is to reduce the hyperbolic curvature of the embedding manifold, ie. a quantum mechanical process manifests as relativistic ‘strong gravity’ [32].

Berry phase and parity-time (PT) symmetry

Since the superconducting phase transition established experimentally results from the hyperbolic geometry and topology of the embedding vacuum manifold of the constant Hamiltonian oscillator, it represents a Berry phase [15]. That is, curvature determines the balance of electromagnetic duality which in the extreme leads to dual superconducting behaviour, ie. exclusion of the electric field1. This geometrical phase also exposes the gauge structure in quantum mechanics [33].
In addition to describing the emergence of a gauge field Φ, the gradient energy term -½(∇Φ)2 of the Lagrangian also maps to the complex order parameter field Ψ(r) in accordance with Ginzburg-Landau theory. The PV work generated in the piston expander suggests that the associated quantum mechanical wavefunction is real and observable, a phenomenon recently uncovered by Gu et al. [13]. More precisely, the VDVH decomposition reveals the wavefunction to be entirely real as the geometrical phase is exposed through the diagonal matrix D in the VDVH decomposition.
Since the oscillating Hamiltonian can be described through a combination of Hermitian and non-Hermitian matrices, it resembles a PT symmetric system [14]. Such systems are characterized as not being isolated from the environment (ie. non-adiabatic) but subject to highly constrained interactions. This description is consistent with the false vacuum behaviour of the crystal-fluid material where both specific volume and internal energy are highly constrained. Energy and entropy gains and losses to the environment (including the embedding vacuum manifold in this case) are exactly balanced, ie. a renormalized, scale-invariant interaction between condensed matter and quantum wavefunction becomes evident in the constant energy Hamiltonian.
PT symmetry requires both space reflection and time reversal symmetries. The upside-down potential of the quartic term as identified by Bender [14] is consistent with the marginal interaction and negative gradient energy term derived from experiment [1]. However, the results presented here reveal the symmetry of Lorentz boosts, ie. symmetries in the expansion and contraction of both space and time, which may represent a more generalized form of PT symmetry.
1 In this case hyperbolic curvature of the vacuum manifold establishes dual superconductivity rather than the hydrogen bonding induced curvature of the crystal-fluid lattice initiating the superconducting phase transition, as suggested in [1], ie. the causality is reversed.

Symmetry synchronization and conserved quantities

Quark acceleration produces gluon emissions since a lower binding potential is necessary to maintain the momentum and energy of any given quark colour configuration [34]. This results from a gluon recombination process whereby a quark and antiquark pair are annihilated. The emergence and absorption of physical gluons represents an exchange between the non-Abelian gauge symmetry of QCD and the Abelian gauge symmetry of the vacuum manifold, ie. an electroweak interaction.
The following non-Abelian Faddeev-Niemi decomposition is considered [35]:
S U N + 1 →   S U N ⊗ U ( 1 ) Z N   ~   U ( N )
This decomposition is a restricted one since splitting and recombining gluons in SU(3) represents a limited interaction with a U(2) spacetime manifold rather than full symmetry breaking to SU(2). The requirement for a Higgs-type scalar field is satisfied by the emergent gauge field Φ [12]. So:
S U 3 →   S U 2 ⊗ U ( 1 ) Z 2   ~   U 2   ~   S U 2 ⊗ U ( 1 ) Z 2   →   S U 3
Asymptotic freedom is thereby maintained through the dominant SU(3) group. Again, U(2) appears as an electroweak symmetry group [28] with Z 2 representing a topology consistent with the condensation of gauge monopoles [29].
A U(2) gauge symmetry that provides for the condensation of gauge monopoles has so far been identified in both the condensed matter system and the underlying QCD particle physics. However, it is also possible to determine a U(2) gauge symmetry for the vacuum manifold of spacetime through which hyperbolic curvature and scalar field potential are effected. That is, where the splitting and recombining of force-carrying gluons manifests as fictitious forces in non-inertial reference frames.
The Lorentz group SO(4) provides for the conservation of energy and angular momentum in 4-dimensions ( R 4 ) through two continuous symmetries; rotations in 3-dimensional Euclidean space and Lorentz boosts which influence both space and time [36]. The 4 x 4 orthogonal matrix representation of the metric tensor can also be cast in terms of a 2 x 2 unitary matrix operating on a complex 2-component spinor. The complete unitary 2 x 2 transformation matrix for spinor rotations and boosts can be expressed as:
U =   e 1 2 i σ . θ −   1 2 σ . φ
or
U = e 1 2 i σ . θ + 1 2 σ . φ
where θ is the Lorentz rotation angle, σ is the Pauli spin matrix, and ϕ is the angle associated with the Lorentz boost (or rapidity) [37]. Equation (13) represents a ‘right-handed’ spinor ϕR and (14) represents a ‘left-handed’ spinor ϕL, ie. the Weyl spinors. Later insights by Dirac led to the concept of the bispinor which, unlike (13) and (14), preserves parity of the wavefunction under the sign reversal operation Ψ(x,t) → Ψ(-x,t) thereby maintaining a positive gauge field and positive energy (whilst also predicting the existence of antimatter). However, retaining the 2 x 2 unitary matrix whilst acknowledging parity preservation requirements produces the following spacetime group representation [38]:
S O 4 → S U 2 ⊕ S U ( 2 )
The symmetry group decompositions in (10), (12) and (15) are then amalgamated to describe a consolidated ‘symmetry synchronization’ that establishes common scale- and gauge-invariance in U(2), as shown schematically in Figure 4:
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Figure 4. Decomposition of symmetry groups to establish common U(2) scale- and gauge-invariance. This model of invariance provides a mechanism through which the pressure-induced ‘rolling’ critical response results in PV work that is either positive or negative. The complex reorganization of water ice cages produces variable inertia which, through the conservation of angular momentum, is responsible for either an acceleration or deceleration of quarks. In the case of acceleration, this leads to the emission of physical gluons that are absorbed into the embedding manifold. A corresponding tendency to reduce local ‘space density’ and effective magnetic permeability μ0 manifests as reduced hyperbolic curvature and negative PV work. Conservation of magnetic charge imposes a superconducting phase transition on the crystal-fluid material.
Figure 4. Decomposition of symmetry groups to establish common U(2) scale- and gauge-invariance. This model of invariance provides a mechanism through which the pressure-induced ‘rolling’ critical response results in PV work that is either positive or negative. The complex reorganization of water ice cages produces variable inertia which, through the conservation of angular momentum, is responsible for either an acceleration or deceleration of quarks. In the case of acceleration, this leads to the emission of physical gluons that are absorbed into the embedding manifold. A corresponding tendency to reduce local ‘space density’ and effective magnetic permeability μ0 manifests as reduced hyperbolic curvature and negative PV work. Conservation of magnetic charge imposes a superconducting phase transition on the crystal-fluid material.
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When a symmetry is broken, a corresponding order parameter that diminishes to zero can often be identified. However, in this case the complex order parameter Ψ(r) emerges where symmetry is synchronized.
Both energy and angular momentum are conserved within the common U(2) group to reveal the time and space symmetries of a Lorentz boost in agreement with Noether’s theorem (see below). Since there is a gluon field for each colour charge, it follows that each gluon field can be composed of a time-like component and three space-like components. These components relate to the electric potential and the magnetic potential, respectively, and will interact with the vacuum manifold to determine the values of effective permittivity ε0 and effective permeability μ0.
Variations in effective μ0 require that a spontaneous magnetic flux Ms, with associated spontaneous magnetic field Hs, emerges to conserve magnetic charge. Fractionalized magnetic charges arising from the geometrically frustrated crystal-fluid material can be interpreted as condensing into a gauge monopole topology providing magnetic exchange pathways. The correlation length ξ of these pathways produces divergent critical behaviour that is shown to have a distinctive universality class of critical exponents. The gauge monopole topological defects act as both convergent sinks (under acceleration) and divergent sources (under deceleration) of the magnetic flux Ms [8].
Similar principles apply to variations in vacuum energy determined by the local ‘space density’ (which determines the embedding manifold curvature). Conservation of energy requires that negative PV work is performed under false vacuum acceleration (energy is transferred to the vacuum manifold) whilst positive PV work is performed under deceleration (energy is transferred from the vacuum manifold). Work is related to the gauge/ scalar field Φ as follows [1]:
∫ P d V = − 1 2 ∇ Φ 2
The right-side of equation (16) represents the gradient energy term of the Lagrangian function resulting from the scalar potential ∇Φ developed across the gauge monopole topology. The Lagrangian action of the left-side, ie. mechanical work, is also related to the critical response function revealed in the coupling relationship (1) to confirm renormalization in the synchronized U(2) group complex parameter field Ψ(r). That is, energy equivalence between the long-range dissipative structuring of water ice cages and the short-range confinement mechanisms of sub-atomic particles, as illustrated in Figure 4. This outcome aligns with Anderson’s speculative prediction [39]:
‘Physics in the 20th century solved the problems of constructing hierarchical levels which obeyed clear-cut generalizations within themselves […]. In the 21st century one revolution which can take place is the construction of generalizations which jump and jumble the hierarchies, or generalizations which allow scale-free or scale transcending phenomena. The paradigm for the first is broken symmetry, for the second self-organized criticality.’
With U(2) scale- and gauge-invariance spanning the asymptotically-free behaviour of both the dual superconducting system and the quark-gluon system via interactions with the embedding vacuum manifold, a physical correspondence between non-equilibrium thermodynamics and quantum mechanics is established. Since the superconducting phase transition conforms to Ginzburg-Landau theory (ie. gauge-invariant coupling of a scalar field to the Yang-Mills action is implied) it seems reasonable to link the gradient energy gap of Figure 3 to the mass gap problem in QCD.

Energy band gaps

In Figure 3 the gradient energy gap corresponds to the opening of an energy band gap in the Berry or topological phase. Such gaps preserve topological invariance under unitary or Hermitian-flattening transformations [15]. As detailed above, the (VDVH) decomposable 2 x 2 unitary matrix A, as belonging to the U(2) symmetry group, is able to describe such transformations.
The energy gap is complex and derives from the critical correlation length ξ, ie. through the formation of magnetic spin patches at the superconducting phase transition. Cayssol and Fuchs provide additional insight [26]:
‘Although elusive as magnetic charge in real space, the Dirac monopole actually exists in reciprocal space as a source of Berry flux and is related to band contact points. The well-known quantization of the magnetic strength of the Dirac monopole has a counterpart in the Chern numbers characterizing the bands.’
The topological invariant Chern number Z 2 has already been uncovered in the symmetry group decompositions of equations (10) and (12), and can be interpreted as a U(2) group that fibres over a circle as a 3-sphere bundle, ie. a Hopf fibration results [26].
Whilst the massless gluons either emitted or absorbed by accelerating or decelerating quarks act as gauge particles, gauge invariance is only established where the associated gauge field can emerge under U(2) ‘symmetry synchronization’ at a critical correlation length ξ in the low-energy system. That is, gauge monopole defects are required to effectively condense such that the scalar field potential induces a flow of magnetic charge.
By extension, the lower bound of the QCD mass gap can be attributed to a symmetry-breaking of U(2) and the annihilation of gauge monopoles from below in the low-energy, infrared limit. In this event, the conservation pathway between the condensed matter and quantum systems no longer exists since the systems are effectively isolated except for weak residual gravitational interactions, ie. the systems are decoupled. With this spontaneous breaking of U(2) gauge symmetry into isolated sub-groups, and the collapse of any critical magnetic correlation length ξ, there is no mechanism through which non-equilibrium angular momentum can be conserved through gluon interactions and the corresponding Berry curvature imposed upon the embedding manifold, ie. conservation of energy and momentum becomes limited to the individual symmetry groups and the condensed matter system becomes describable by classical thermodynamics and discontinuous (first order) phase transitions. Thus, in this interpretation of broken gauge symmetry, a strong gravitational interaction [32] is replaced by a far weaker one essentially limited to gluon interactions arising from quantum fluctuations and other irrelevant interactions.

Cosmological analogy

The same principle may be applied to the high-energy bound of the QCD mass gap from above. Guth’s model of cosmological inflation [40,41] is also founded upon false vacuum and negative pressure conditions. The associated deceleration of inflationary expansion within a false vacuum would result in gluon splitting where conservation of energy and momentum are mediated by a synchronized order parameter field/ symmetry group together with the corresponding cosmic monopole entities necessary to facilitate a critical correlation length. The splitting of gluons and the emergence of quark and antiquark pairs act to increase the strong interaction through confinement mechanisms.
The non-extensive inflationary volume expansion model is [1]:
V r = T −   T c − 3 v
where Vr is the reduced volume │(V – Vc)/ Vc│ at the critical temperature Tc with a correlation length exponent v in 3-dimensions. Critical volume Vc and critical temperature Tc are not absolute values but rather ‘rolling’ dynamical values determined by structural anisotropy and dissipative false vacuum restructuring of elementary particles under non-equilibrium conditions. At the collapse of critical behaviour, Vr = 1 and non-extensive inflationary volume expansion ceases.
The critical length exponent v represents the dimensionless group parameter of rapidity such that its emergence on a Lorentz hyperbolic manifold (ie. a Lorentz boost) is associated with a relativistic length expansion to determine non-extensive inflationary volume expansion [1]. Increasing the effective radius of structural elements under false vacuum conditions produces deceleration such that angular momentum is removed from the sub-atomic quarks. The counteracting emergence of quark- antiquark pairs qq̄ plus gluons from the QCD vacuum, the associated gluon splitting, together with subsequent integration of the emergent particles into complex binding arrangements, establishes the colour and quark confinement mechanisms. These tend to increase local ‘space density’ and effective magnetic permeability μ0. The resultant effect sees hyperbolic curvature of the embedding vacuum manifold increase to generate inflationary expansion. The process is shown as an analogue of the experimental findings in Figure 5.
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Figure 5. Deceleration of dissipative water ice cage structures under critical false vacuum conditions results in the transfer of momentum away from sub-atomic quarks. The processes of colour and quark confinement see compensating quark-antiquark pairs qq ̄ and gluons emerge from the quantum vacuum to enable gluon splitting. The corresponding tendency to increase local ‘space density’ increases the hyperbolic curvature of the vacuum manifold to generate positive expansion work. The external pressure perturbations may be interrupted at any point such that gradient energy is captured and confined through water ice cage structuring where the system relaxes into a non-critical, stable state.
Figure 5. Deceleration of dissipative water ice cage structures under critical false vacuum conditions results in the transfer of momentum away from sub-atomic quarks. The processes of colour and quark confinement see compensating quark-antiquark pairs qq ̄ and gluons emerge from the quantum vacuum to enable gluon splitting. The corresponding tendency to increase local ‘space density’ increases the hyperbolic curvature of the vacuum manifold to generate positive expansion work. The external pressure perturbations may be interrupted at any point such that gradient energy is captured and confined through water ice cage structuring where the system relaxes into a non-critical, stable state.
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At the collapse of critical behaviour, the synchronized gauge symmetry is broken, the cosmic monopole entities with associated topology are annihilated, and critical correlation length is destroyed. Absorption of the gauge field into the QCD colour field attributes mass to the emergent quark and antiquark pairs qq̄ of the confinement process under a Higgs-like mechanism. Again, under such an interpretation, classical thermodynamics essentially separates from quantum mechanics to leave only weak residual gravitational interactions, ie. the strong interaction becomes short-ranged. The energy and mass of the strong interaction are thereby effectively fixed at the point where the common symmetry group associated with cosmological inflation is broken, cosmic monopole entities are annihilated, and the critical correlation length is destroyed.

Conclusion

The complex reorganization of systems with high energy degeneracy is responsible for asymptotic freedom, as characterized by the emergence of variable negative potential that maintains constant total energy. In these systems, the excess negative potential imposes variable hyperbolic curvature on the embedding manifold to create strong gravitational effects able to perform mechanical work. This strong gravity emerges only when quantum interactions are coupled to non-equilibrium thermodynamics through a critical correlation length.
Experimental investigations based upon external pressure perturbations uncover a dual-superconducting phase linked to the emergence of a gauge field and the corresponding synchronization of a common U(2) symmetry group that encompasses the dual superconductivity, Lorentz spacetime and quantum interactions. Conservation of energy and angular momentum across these domains is linked to time and rotational space symmetries in agreement with Noether’s theorem. Gauge monopoles are naturally associated with the U(2) group and ℤ2 topology such that a critical correlation length can be established. For the synchronized U(2) group, gauge monopoles then correspond to the quark emission/ vacuum absorption of gluons from acceleration, and vacuum emission/ quark absorption of gluons from deceleration. The magnitude of the critical correlation length and the effective radius/ inertia of the water ice cage structures determine the hyperbolic curvature of the vacuum manifold, which in turn determines the spontaneous magnetic field strength and associated transfers of energy.
In complex form the gradient energy term of the Lagrangian strongly resembles a quantum mechanical wavefunction in which the energy spectrum is entirely real and observable. Such behaviour resembles a PT symmetric system which is not isolated from the environment (ie. non-adiabatic) but subject to highly constrained interactions. Conservation of energy and momentum are determined through the symmetry of Lorentz boosts, ie. symmetries in both time and space, in a system containing both Hermitian and non-Hermitian elements.
The complex parameter field is revealed as the order parameter that emerges to signify a superconducting phase transition from Type-II to a dual of Type-I. The phase transition is consistent with Ginzburg-Landau theory to give gauge-invariant coupling of a scalar field to the Yang-Mills action in QCD. The point at which the critical correlation length and gauge field combine to form the order parameter is postulated as the low-energy, infrared bound of the QCD mass gap.

Appendix A: Ginzburg-Landau theory

The Ginzburg-Landau (GL) theory of superconductors is established upon a general approach to continuous phase transitions that are accompanied by a change in symmetry [42]. Landau proposed that these phase transitions are characterized by an order parameter that is zero in the disordered state above Tc but obtains a non-zero value below Tc. For the relatively simple case of a magnet, its magnetization M(r) provides a suitable order parameter.
For a superconducting system, GL postulates the existence of a complex order parameter Ψ, assumed to be an unspecified physical quantity that characterizes the state of the system. For the normal metallic state above the superconductor Tc it is zero, whilst for the superconducting state below Tc it is non-zero, such that:
Ψ =   0 T >   T c Ψ T ≠ 0 T <   T c
However, for the non-metallic dual superconducting state observed experimentally, the system is instead characterized by:
Ψ =   0   T −   T c   ≠ 0 − 1 < M s <   1 Ψ T ≠ 0   T −   T c   ≠ 0 − 1 > M s >   1
where Ms is the spontaneous magnetism and Ψ represents the coupling energy (eiΦ)3v. For -1 < Ms < 1 the system is characterized by an ‘auxiliary’ order parameter Hs, the spontaneous magnetic field.
GL assumes that the real free energy of the superconductor varies smoothly and can only depend upon the complex value of |Ψ| so that the free energy density is given by:
f s T =   f n T +   α T | Ψ | 2 +   β T | Ψ | 4 + …
where:
fs(T) and fn(T) are the superconducting state and normal state free energy densities, respectively
and
α(T) and β(T) are generally phenomenological, temperature dependent parameters.
The order parameter Ψ(r) is found by minimizing the free energy of the system which, through further mathematical manipulation, yields an effective non-linear Schrödinger equation:
− ℏ 2 2 m * ∇ 2   Ψ r +   α + β Ψ r 2   Ψ r = 0
where:
ℏ is the reduced Planck’s constant,
and
m* determines the energy cost associated with gradients in the order parameter Ψ(r) to define an effective mass for the quantum system where m* = 2me and me is the bare electron mass in the normal metallic state.
The non-linearity introduced by the second term in the bracket of (21) ensures that the quantum mechanical principle of superposition does not apply, ie. it cannot be normalized to zero.
GL theory is developed further to incorporate: inhomogeneous systems introducing a gradient into the order parameter; the effect of external perturbations; and the effect of a magnetic field. The free energy density of the superconductor then takes the form [42]:
f s T =   f n T +   ℏ i   ∇ + 2 e A Ψ 2 +   ℏ 2 2 m * +   α | Ψ | 2 +   β 2 | Ψ | 4
where:
2e is the net charge for a Cooper pair of electrons with positive sign convention
and
A is the electromagnetic vector potential
The full GL equations (not included here) are obtained by minimizing the free energy with respect to fluctuations in the order parameter and the vector potential A. These equations predict the existence of two characteristic lengths in a superconductor [42]:
the coherence length ξ’(T):
ξ ' ( T ) =   ℏ 2 2 m *   | α ( T ) |
(the distinction between coherence length ξ’(T) and correlation length ξ(T) is explained in [25])
and the London penetration depth λ(T):
λ ( T ) = m e β 2 μ 0 e 2 α ˙ T −   T c
where:
α(T) = ά|T – Tc|
Both lengths diverge as Tc → T.
The ratio κ = λ(T)/ξ’(T) is known as the Ginzburg-Landau parameter where κ > 1/√2 identifies a Type-II superconductor whilst κ < 1/√2 identifies a Type-I superconductor. The ratio is dimensionless and independent of temperature within GL theory.
The transition from Type-II to Type-I and the effect of Abrikosov vortices is related to the experimental results described in [1] from which Figure 6 is reproduced:
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Figure 6. Critical exponents reveal a magnetic phase transition and superconductor-like behaviour for a negative pressure perturbation. The initial response between 0 < Ms < 0.5 appears as diamagnetism (Hs < 0) and peaks at a lower critical field point Mc1, a result of high susceptibility χ such that Ms >> Bs. Diamagnetism is then completely destroyed at Ms = 1, which represents an upper critical field point Mc2.
Figure 6. Critical exponents reveal a magnetic phase transition and superconductor-like behaviour for a negative pressure perturbation. The initial response between 0 < Ms < 0.5 appears as diamagnetism (Hs < 0) and peaks at a lower critical field point Mc1, a result of high susceptibility χ such that Ms >> Bs. Diamagnetism is then completely destroyed at Ms = 1, which represents an upper critical field point Mc2.
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For Hs < 0, the profile resembles Type-II superconductor behaviour, although it is large rather than negative values of susceptibility χ that are held responsible for the diamagnetic effect. The diamagnetism peaks at Mc1, the lower critical field, corresponding to minimal magnetic flux density Bs. Moving beyond Mc1 towards Mc2 the upper critical field, Bs increases until all superconducting behaviour is destroyed at Ms = 1, Hs = 0. For 0 < Ms < 1, the Ginzburg-Landau parameter κ is determined:
κ =   M c 2 2 M c 1     to   give   κ >   1 2
ie. a Type-II superconductor classification.
For Ms > 1, Hs takes positive values as the susceptibility χ falls below unity. A new value for the critical field Mc’ is deemed to be established to the right of the plotted values. It then follows that for this region κ < 1/√2 which is consistent with Type-I superconducting behaviour. Here, large values of Bs act to exclude the electric field E to establish dual superconducting behaviour.
For spontaneous diamagnetism seen where Hs < 0, and below the critical correlation length ξ in Figure 3, the system appears to be in a gapless superconducting state with Hs acting as an ‘auxiliary’ order parameter. The effects of anisotropy across the water ice cage structures may correspond to that of magnetic impurity states in conventional superconductors that fill in the energy gap. Where Hs > 0, and above the critical correlation length ξ, the system can be described as being in a gapped superconducting state with Ψ(r) as the complex order parameter. Similarly, it has been shown [43,44] that the reverse transition between the gapped and gapless superconducting states in the Abrikosov-Gor’kov theory of a superconducting alloy with paramagnetic impurities is of the Lifshitz type, ie a topological phase transition where the number of the components of topological connectivity on the Fermi surface undergoes changes under the influence of different factors; pressure, magnetic field, doping, etc. Further examination of the correspondences between order parameter transitions, topological phase factors and gapless superconductivity may reveal additional insights.

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