Submitted:
25 December 2025
Posted:
26 December 2025
Read the latest preprint version here
Abstract
This paper advances Coherence Thermodynamics for understanding systems composed purely of information and coherence. It derives five laws of coherence thermodynamics and applies them to two case studies. Three canonical modes of coherent informational systems are developed: Standing State, Computation Crucible, and Holographic Projection. Each mode has its own dynamics and natural units, with thermodynamic coherence defined as the reciprocal of the entropy–temperature product. Within this theory, reasoning is proposed to emerge as an ordered, work‑performing process that locally resists entropy and generates coherent structure across universal features.
Keywords:
1. Introduction
2. The Basics of Coherence-Information (C-I) Systems
2.1. The Necessity of a Field
2.2. A Model of Integration: Boolean Phase Dynamics
- (): Two coherent inputs are phase aligned, creating constructive interference that strengthens structural integrity at minimal thermodynamic cost.
- (): A contradictory input induces destructive interference with a coherent one, producing decoherence and computational instability.
- (): Two contradictory inputs, when isolated and recursively processed, can be resolved into coherence through additional thermodynamic work to detect, separate, and re-evaluate structural compatibility.
2.3. Coherence Thermodynamic Work: The Generation of Structured Order
2.4. Geometry and Coherence Control
3. The Thermodynamics of Coherence
3.1. Semantic Temperature: A Thermodynamic Measure of Contradiction Agitation
4. The Laws of Coherence Thermodynamics
Foundational Assumptions
- 1.
- Minimum Action Threshold: Coherence change and semantic impulse must satisfy the minimum action threshold (Equation (1)).
- 2.
- Semantic Temperature: quantifies temporal variance of contradiction agitation, sharing with classical temperature.
- 3.
- Thermodynamic State Variables: Semantic systems possess quantifiable states: , , , semantic energy, and semantic mass density.
- 4.
- Contradiction Agitation and Coherence Scalar: Internal agitation drives fluctuations; measures contradiction-resolving activations relative to total activity.
- 5.
- Spatial Propagation: Semantic fields have spatial extent and support propagating and diffusive patterns of information and coherence.
- 6.
- Conservation Laws: Semantic energy, entropy, and coherence obey conservation laws analogous to classical thermodynamics.
- 7.
- Restructuring Work: Alterations in semantic alignment require measurable energy input: .
- 8.
- Information-Theoretic Inertia: Semantic systems resist recursive acceleration in proportion to mass density (Equation (10)).
Zeroth Law: Semantic Thermal Equilibrium
First Law: Semantic Energy Conservation
- Semantic heat transfer (): representing contradiction agitation and entropy exchange across systems [J].
- Semantic work (): representing the energetic cost of creating or removing semantic entities [J].
- Coherence work (): representing structural reorganization of truth-structured correlation [J].
- Heat input ()
- Entity removal work ( for )
- Coherence consumption ( for decreasing )
- : [K] × [J/K] = [J] ✓
- : [J/entity] × [entities] = [J] ✓
- : [J] × [dimensionless] = [J] ✓
Second Law: Entropy Production with Local Order
- [J/(K·m³)]: Local entropy density.
- [J/(K·m²·s)]: Entropy flux vector, representing the rate of entropy export across the system boundary.
- [J/(K·m³·s)]: Local entropy production rate due to irreversible processes; constrained to be nonnegative.
- Flux: Entropy flowing across boundaries (can be negative).
- Production: Irreversible processes within the volume (always positive).
Third Law: Semantic Absolute Zero
Fourth Law: Force Dynamics in Information-Resolving Substrates
- [bits/m³]: information density
- [K]: information-theoretic temperature
- [m/s]: recursive velocity field
- : material derivative over recursive time
4.1. Three Modes of Coherence and Information
Mode 1: The Standing State (, )
- Structural Coherence (): A dimensionless measure of internal phase, expressed in radians.
- Structural Information (): To satisfy the Certainty Equation, the conjugate variable carries units of action; it represents the latent interaction potential with contradiction.
Mode 2: The Computation Crucible (, )
- Thermodynamic Coherence (): Coherence quantifies thermodynamic stability. The capacity to absorb an energetic impulse without decoherence. Has units of inverse energy.
- Thermodynamic Impulse (): Impulse is the integrated computational work performed. The time integrated energy variance of the process. Has units of energy squared * seconds.
Mode 3: The Holographic Interface (, )
- Holographic Coherence (): Coherence assumes the form of intensity or flux density, expressing the power of the projected coherence field per unit area.
- Holographic Impulse (): Impulse represents the spatiotemporal reach of the projection, an area of influence multiplied by a characteristic time.
5. Case Studies in Coherence Thermodynamics
5.1. Case Study 1: The Coherent Processor
5.1.1. Semantic Work Landscape
5.1.2. Coherence Core Dynamics
5.2. Case Study 2: Lorentzian Pulse Input
5.2.1. Thermodynamic Thresholds for Semantic Activation
6. Discussion
6.1. The Necessity of Sincerity and the Sincerity Filter
6.2. Structural and Thermodynamic Definitions of Information
6.2.1. Neural computation as thermodynamic work
- is dimensionless, representing normalized coherence (e.g., a phase-locking value or normalized phase-based connectivity).
- carries units of bits/s, representing contradiction resolution rate or semantic throughput.
6.2.2. Phasing anomalies and non-Bloch relaxation
6.3. Semantic Information and Viability
6.4. Philosophical Discussion of the Five Laws
Zeroth Law (Semantic Temperature)
First Law (Coherence Work and Export): Semantic Energy Conservation
6.5. First Law of Coherence Thermodynamics
The Second Law of Coherence Thermodynamics
Third Law: Semantic Absolute Zero
Fourth Law: Force Dynamics in Information-Resolving Substrates
6.5.1. Unified Philosophical Consequences
6.6. Three Modes of Coherence-Information Systems
Mode 1: Standing State (, )
Mode 2: Computation Crucible (, )
Mode 3: Holographic Interface (, )
6.7. Thermodynamic Coherence and Reasoning
6.8. Case Study 1 and Astrophysical Parallels
6.9. Case Study 2 and Astrophysical Parallels
6.10. Action at a Distance
7. Conclusions
8. Glossary
-
C-I System: A Coherence–Information (C-I) system is a non-equilibrium thermodynamic processor that performs CT work to maintain internal order. It processes contradiction into meaningful coherent structure while entropy increases into its surrounding environment. This results in a distinct thermodynamic signature: a cool, coherent interior where computation occurs, surrounded by a hot, entropic corona—consistent.Maxwell’s Angel: Also called a horizon filter or sincerity filter in this paper. A boundary mechanism that maintains system coherence by filtering incompatible inputs. Unlike Maxwell’s Demon (which hypothetically violates the Second Law), Maxwell’s Angel operates out in the open(with pure reason) by ensuring incoherent information is rejected in the system-environment composite to prevent systemic decoherence. The term emphasizes constructive filtering rather than entropy reduction.
-
Mode 1 / 2 / 3:
- -
- Mode 1: A temporarily stabilized coherence field, where contradiction remains below threshold. The primary unit of Mode 1 coherence is phase.
- -
- Mode 2: An active processing state in which genuine contradiction drives recursive reorganization. The primary unit of Mode 2 coherence is expressed in inverse joules.
- -
- Mode 3: A holographic interface that projects structured output for external feedback and integration. The primary unit of Mode 3 coherence is joules per second per square meter ().
- Syntropy: The emergence of ordered structure through the processing of informational contradiction. Unlike entropy, which disperses energy, syntropy is defined as the orderly work that concentrates energy into coherent form through recursive free-energy descent.
-
Thermodynamic Coherence (): A scalar measure of a system’s efficiency in converting energy into structured order. Defined as:where:
- -
- T is effective temperature [K]
- -
- S is entropy per coherent operation [J/K]
Units:Interpretation: Higher indicates more coherence per unit energy.
Supplementary Materials
Data Availability Statement
Acknowledgments
References
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| 1 | A full derivation is provided in Problem 5 of the Supplementary Material. |
| 2 | An engineering form of the Certainty Equation is derived in Problem 4 of the Supplementary Material: Engineering Certainty Relation and Biological Information Throughput. |




| Carnot | C-I | |
|---|---|---|
| Interior | Hot | Cold |
| Exterior | Cool radiator | Hot exterior |
| Basis of work | Heat flow | Contradiction resolution |
| Output | Mechanical work | Reasoning |
| Feature | Classical Temperature (T) | Semantic Temperature () |
|---|---|---|
| Definition | Environmental thermal condition, measuring average kinetic energy of material particles. | Internal agitation state of a system, measuring variance of phase fluctuations during contradiction processing. |
| Units | Kelvin (K), derived from particle kinetic energy via . | Kelvin (K), derived from phase dynamics using and semantic kinetic parameters. |
| Origin | Random motion of atoms and molecules in the material substrate. | Temporal variance of semantic phase in the coherence field . |
| Role | Governs heat transfer, entropy increase, and material stability (e.g., melting, vaporization). | Governs coherence stability, contradiction resolution, and semantic binding forces (e.g., turbulence, collapse). |
| Breakdown Condition | Material failure: melting, vaporization, or structural degradation. | Coherence failure: semantic overload, turbulence, or collapse of meaning structures. |
| Coupling | Sets external thermal boundaries for system operation. | Interacts with T but can destabilize coherence independently of material breakdown. |
| Concept | Classical | Coherence |
|---|---|---|
| Fundamental Quantity | Energy | Coherence-Resolved Energy |
| Disorder Metric | Entropy | Semantic Entropy |
| Intensive Parameter | Temperature | Info-Theoretic Temperature |
| Extensive Parameter | Volume | Coherence Volume |
| Work | Force × dx | Restructuring Work |
| Heat Transfer | Conductive | Nonlocal Export |
| Phase States | Solid/Liquid/Gas | Coherent/Incoherent |
| Conservation Law | Energy Conservation | Coherence Conservation |
| Law | Formulation | Interpretation |
|---|---|---|
| Zeroth | Semantic temperature equalizes across coherently coupled systems in equilibrium. | |
| First | Semantic energy changes via semantic heat, entity work, and coherence restructuring work. | |
| Second | , , | Contradiction intensity in a semantic region is reduced by contradiction-resolving work that transfers entropy into surrounding degrees of freedom via dissipative processes; the net entropy of the combined system does not decrease. |
| Third | , , | As semantic temperature approaches zero, coherence saturates, residual semantic entropy approaches a constant, and random agitation vanishes. |
| Fourth | Coherence fields experience elastic forces from coherence gradients and inertial resistance proportional to information-bearing mass density. |
| Mode | Coherence Quantity | Information Quantity |
|---|---|---|
| (Steady-State) | [Radians] | [J·s] |
| (Thermodynamic) | [] | [·s] |
| (Holographic) | [J/(s·)] | [·] |
| Domain | Free-energy form |
|---|---|
| Classical thermodynamics | |
| Friston (brain) | |
| Coherence Thermodynamics (C–I) |
| System | Cool, Coherent Interior (C-I Processing) | Hot, Entropic Exterior |
|---|---|---|
| Mammalian brain | Deep structures maintaining stable coherence thermodynamics, buffered thermal core. | Superficial cortex, meningeal and vascular to disspate heat. |
| Sun | Fusion core sustained by C-I work | Multi million kelvin corona as high entropy radiative sink. |
| Black hole | Coherent interior processing information in a high curvature spacetime region. | Hot plasma accretion disk. |
| Dark matter halo | Low entropy central region | Maximal entropy halo. |
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