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A Combined Entropy/Phase-Field Approach to Gravity
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: Received: 16 March 2017 / Approved: 17 March 2017 / Online: 17 March 2017 (05:16:12 CET)
A peer-reviewed article of this Preprint also exists.
Schmitz, G.J. A Combined Entropy/Phase-Field Approach to Gravity. Entropy 2017, 19, 151. Schmitz, G.J. A Combined Entropy/Phase-Field Approach to Gravity. Entropy 2017, 19, 151.
Journal reference: Entropy 2017, 19, 151
DOI: 10.3390/e19040151
Abstract
Terms related to gradients of scalar fields are introduced as scalar products into the formulation of entropy. A Lagrange density is then formulated by adding constraints based on known conservation laws. Applying the Lagrange formalism to the resulting Lagrange density leads to the Poisson equation of gravitation and also includes terms being related to curvature of space. The formalism further leads to terms possibly explaining nonlinear extensions known from modified Newtonian dynamics approaches. The article concludes with a short discussion of the presented methodology and provides an outlook on other phenomena, which might be tackled using this new approach.
Subject Areas
entropic gravity; Lagrange formalism; phase-field models; gradient-entropy; constraints; maximum entropy principle; curvature of space; conservation laws; Modified Newtonian Dynamics; MOND
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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