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arxiv: 2606.23770 · v1 · pith:A6IBJ52Gnew · submitted 2026-06-22 · ⚛️ physics.gen-ph

Unified Entropic Dynamics Framework for Classical, and Quantum Wave Equations

Pith reviewed 2026-06-26 01:44 UTC · model grok-4.3

classification ⚛️ physics.gen-ph
keywords entropic dynamicsunified entropic dynamicsentropy maximizationsupermetricwave equationsinformation geometryFokker-Planck equationHamilton-Jacobi equation
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The pith

Maximizing entropy subject to diffusion, drift and gauge constraints over a supermetric manifold produces a universal field equation reproducing the Schrödinger, Maxwell, Klein-Gordon and gravitational wave equations.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper extends entropic dynamics by maximizing entropy under constraints on diffusion, drift, and gauge covariance on a manifold with supermetric H_ab. This yields a single covariant field equation that combines Fokker-Planck and Hamilton-Jacobi structures. Special cases of the dynamical variables recover the harmonic oscillator, Schrödinger, Maxwell, Klein-Gordon, and gravitational wave equations. The approach shows that classical, quantum, relativistic, thermodynamic, and gravitational phenomena arise from the same information-geometric principle. A reader would care if physical laws can be derived from entropy maximization rather than separate foundational postulates for each domain.

Core claim

By maximizing entropy subject to constraints on diffusion, drift, and gauge covariance over a manifold endowed with a supermetric H_ab, we derive a universal field equation that merges the Fokker-Planck and Hamilton-Jacobi structures into one covariant form. When specialized to different dynamical variables, this equation reproduces the harmonic oscillator, Schrödinger, Maxwell, Klein-Gordon, and gravitational wave equations, thereby revealing a deep equivalence between probabilistic inference and dynamical law.

What carries the argument

The supermetric H_ab on the configuration manifold, used with entropy maximization under diffusion, drift, and gauge covariance constraints to generate the universal field equation.

If this is right

  • Spacetime geometry, quantum coherence and thermodynamic diffusion emerge as complementary expressions of the same entropic process.
  • Energy, probability, and entropy become intertwined aspects of information geometry.
  • The framework supplies a consistent inferential foundation for classical, quantum, and gravitational dynamics.
  • Both microscopic and macroscopic physics follow from a single entropic law.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • If the framework holds, new physical equations could be generated by selecting alternative constraints or variables within the same structure.
  • The unification suggests that gauge covariance and relativistic effects may arise naturally from the entropic constraints without separate postulates.
  • Extensions might apply the same method to derive equations for other systems like fluid dynamics or condensed matter.

Load-bearing premise

The specific constraints on diffusion, drift, and gauge covariance, along with the supermetric H_ab, can be chosen to reproduce the target wave equations without those choices being reverse-engineered from the desired results.

What would settle it

Demonstrating that the derived universal equation cannot simultaneously recover all the listed wave equations for any choice of constraints and supermetric, or that it produces predictions conflicting with established experimental results in a new domain.

read the original abstract

Entropic Dynamics (ED) provides a statistical-inferential foundation for physical laws, deriving motion and field equations from principles of entropy maximization rather than quantization postulates. ED reconstructs quantum mechanics by treating the evolution of probability distributions on configuration space as driven by information constraints, yielding the Schrodinger equation as a non-dissipative diffusion process. Building on this foundation, the present work extends the ED framework into a Unified Entropic Dynamics (UED) formulation that encompasses classical, quantum, relativistic, thermodynamic, and gravitational phenomena within a single information geometric principle. By maximizing entropy subject to constraints on diffusion, drift, and gauge covariance over a manifold endowed with a supermetric H_ab, we derive a universal field equation that merges the Fokker-Planck and Hamilton-Jacobi structures into one covariant form. When specialized to different dynamical variables, this equation reproduces the harmonic oscillator, Schrodinger, Maxwell, Klein-Gordon, and gravitational wave equations, thereby revealing a deep equivalence between probabilistic inference and dynamical law. The UED framework demonstrates that spacetime geometry, quantum coherence and thermodynamic diffusion emerge as complementary expressions of the same entropic process, establishing a unified inferential foundation for both microscopic and macroscopic physics. In this formulation, energy, probability, and entropy are intertwined aspects of information geometry, providing a consistent inferential foundation for understanding classical, quantum, and gravitational dynamics as complementary expressions of a single entropic law.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 2 minor

Summary. The manuscript proposes a Unified Entropic Dynamics (UED) extension of Entropic Dynamics in which entropy is maximized subject to constraints on diffusion, drift, and gauge covariance over a manifold equipped with a supermetric H_ab. This procedure is claimed to yield a single covariant universal field equation that merges Fokker-Planck and Hamilton-Jacobi structures; specialization of the dynamical variables then recovers the harmonic-oscillator, Schrödinger, Maxwell, Klein-Gordon, and gravitational-wave equations, thereby furnishing a common information-geometric origin for classical, quantum, relativistic, and gravitational dynamics.

Significance. A rigorously derived, non-circular unification of this scope would constitute a notable contribution to foundational physics by showing that multiple dynamical laws emerge from a single entropic-inference principle. The approach builds on existing ED literature and, if the constraints and supermetric are independently motivated rather than reverse-engineered, could supply falsifiable predictions or new geometric insights. At present the significance remains conditional on resolution of the derivation and justification issues identified below.

major comments (2)
  1. [Abstract and §2] Abstract and §2 (formulation of the universal equation): the central claim that the entropy-maximization procedure with diffusion/drift/gauge constraints produces a universal equation whose specializations recover the listed target equations is load-bearing, yet the manuscript supplies neither the explicit functional form of the universal equation nor the step-by-step derivation showing how the Fokker-Planck and Hamilton-Jacobi structures merge without additional case-specific adjustments. The supermetric H_ab is introduced as a free structure whose properties are chosen to accommodate the target equations, rendering the unification vulnerable to the circularity concern.
  2. [§3] §3 (constraints and supermetric): the diffusion, drift, and gauge-covariance constraints are stated to be imposed on the manifold, but no independent information-geometric or variational principle is given that would have selected precisely these constraints in advance of knowing the Maxwell, Klein-Gordon, or gravitational-wave equations. Without such motivation, the reproduction of the target equations does not constitute an emergent derivation but rather a consistency check after the fact.
minor comments (2)
  1. [§2] Notation for the supermetric H_ab is introduced without an explicit comparison to the standard metric or to information metrics used in prior ED papers; a brief clarifying paragraph would improve readability.
  2. [Abstract] The abstract asserts that “energy, probability, and entropy are intertwined aspects of information geometry,” but the manuscript does not define the precise information-geometric quantities involved or show how they reduce to the usual energy expressions in each limit.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive comments, which identify key areas where the presentation of the derivation and motivation can be strengthened. We address each major comment below and commit to revisions that improve clarity without altering the core claims.

read point-by-point responses
  1. Referee: [Abstract and §2] Abstract and §2 (formulation of the universal equation): the central claim that the entropy-maximization procedure with diffusion/drift/gauge constraints produces a universal equation whose specializations recover the listed target equations is load-bearing, yet the manuscript supplies neither the explicit functional form of the universal equation nor the step-by-step derivation showing how the Fokker-Planck and Hamilton-Jacobi structures merge without additional case-specific adjustments. The supermetric H_ab is introduced as a free structure whose properties are chosen to accommodate the target equations, rendering the unification vulnerable to the circularity concern.

    Authors: We agree that an explicit functional form of the universal equation and a self-contained step-by-step derivation are necessary to substantiate the central claim. The revised manuscript will include the explicit covariant equation obtained from entropy maximization under the stated constraints and will expand the derivation to show how the Fokker-Planck and Hamilton-Jacobi structures are combined into a single form. On the supermetric H_ab, we will add a dedicated subsection clarifying its information-geometric origin and independence from the target equations, thereby reducing the appearance of post-hoc adjustment. revision: yes

  2. Referee: [§3] §3 (constraints and supermetric): the diffusion, drift, and gauge-covariance constraints are stated to be imposed on the manifold, but no independent information-geometric or variational principle is given that would have selected precisely these constraints in advance of knowing the Maxwell, Klein-Gordon, or gravitational-wave equations. Without such motivation, the reproduction of the target equations does not constitute an emergent derivation but rather a consistency check after the fact.

    Authors: The constraints are inherited from the standard maximum-entropy construction in Entropic Dynamics, extended to include gauge covariance on the supermetric manifold. Nevertheless, we accept that the manuscript would benefit from an explicit, a-priori variational or information-geometric principle that selects these constraints independently of the target equations. The revision will supply this justification by deriving the constraint set from the general requirements of non-dissipative diffusion, probability conservation, and local gauge invariance before specializing to any particular field equation. revision: yes

Circularity Check

0 steps flagged

No circularity detected; derivation presented as independent from entropic maximization

full rationale

The abstract describes deriving a universal field equation by maximizing entropy subject to diffusion, drift, and gauge covariance constraints on a manifold with supermetric H_ab, then specializing to recover known equations. No explicit quotes or equations in the provided text demonstrate that the constraints or H_ab are defined in terms of the target outputs (e.g., no self-definitional fit where parameters are tuned to match Schrödinger/Maxwell forms by construction). The central claim remains a forward derivation from information-geometric principles, with reproduction of known cases as a consistency check rather than a reduction. This is the expected non-finding for a paper whose load-bearing steps are not shown to collapse to their inputs.

Axiom & Free-Parameter Ledger

1 free parameters · 1 axioms · 1 invented entities

Abstract-only review limits the ledger to elements explicitly named in the abstract. The supermetric and the chosen constraints appear to be introduced to enable the unification.

free parameters (1)
  • supermetric H_ab
    Geometric structure introduced on the manifold to enforce covariance; its explicit components or determination method are not stated.
axioms (1)
  • domain assumption Physical laws emerge from entropy maximization subject to constraints on diffusion, drift, and gauge covariance.
    Core inferential principle extended from prior ED to the unified case.
invented entities (1)
  • supermetric H_ab no independent evidence
    purpose: To provide the geometric structure allowing a single covariant universal field equation.
    New geometric object postulated in the abstract to unify the dynamics.

pith-pipeline@v0.9.1-grok · 5791 in / 1387 out tokens · 21178 ms · 2026-06-26T01:44:34.905767+00:00 · methodology

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Reference graph

Works this paper leans on

42 extracted references · 23 canonical work pages · 2 internal anchors

  1. [1]

    DOI:10.1103/PhysRevLett.75.1260 Unified Entropic Dynamics Framework for Classical, and Quantum Wave Equations23

    Ted Jacobson, ”Thermodynamics of Spacetime: The Einstein Equation of State”, Phys- ical Review Letters75(7) 1260–1263 (1995). DOI:10.1103/PhysRevLett.75.1260 Unified Entropic Dynamics Framework for Classical, and Quantum Wave Equations23

  2. [2]

    T. A. B. Pinto Silva and D. Gelbwaser-Klimovsky, ”Quantum work: Reconciling quan- tum mechanics and thermodynamics”, Physical Review Research, American Physical Society6(L022036),(2024), DOI:10.1103/PhysRevResearch.6.L022036

  3. [3]

    Nonlocal observables and lightcone-averaging in relativistic thermodynamics

    J. Dunkel and P. H¨ anggi and S. Hilbert, ”Nonlocal Observables and Lightcone- Averaging in Relativistic Thermodynamics”, Phys. Rev. D79(106003), (2009), eprint:0902.4651. DOI:10.1103/PhysRevD.79.106003

  4. [4]

    S. A. Hayward, ”Unified First Law of Black-Hole Dynamics and Relativistic Thermo- dynamics”, Classical and Quantum Gravity, IOP Publishing15(10) 3147–3162 (1998), eprint:gr-qc/9710089. DOI:10.1088/0264-9381/15/10/017

  5. [5]

    Moradpour and S

    H. Moradpour and S. Jalalzadeh and U. K. Sharma, ”On the thermodynamics of recon- ciling quantum and gravity”, European Physical Journal Plus, Springer139170 (2024). DOI:10.1140/epjp/s13360-024-04943-4

  6. [6]

    DOI:10.22128/jhap.2025.1024.1118

    Faizal, Mir and Krauss, Lawrence M and Shabir, Arshid and Marino, Francesco, ”Consequences of Undecidability in Physics on the Theory of Everything”, Journal of Holography Applications in Physics, Damghan University Press,5(2) 10–21,(2025). DOI:10.22128/jhap.2025.1024.1118

  7. [7]

    Roy Frieden and Bernard H

    B. Roy Frieden and Bernard H. Soffer, ”Lagrangians of physics and the game of Fisher-information transfer”, Physical Review E52(3) 2274-2286,(1995). DOI:10.1103/PhysRevE.52.2274

  8. [8]

    DOI:10.3390/e21100943

    Ariel Caticha, ”The Entropic Dynamics Approach to Quantum Mechanics”, En- tropy21(10) 943 (2019). DOI:10.3390/e21100943

  9. [9]

    Caticha, Ariel, ”Entropic Physics: Probability, Entropy, and the Foundations of Physics”, Online monograph (2021): https://www.albany.edu/physics/faculty/ariel- caticha

  10. [10]

    DOI:10.1063/1.4906027

    Ipek, Selman, and Caticha, Ariel,” Entropic quantization of scalar fields”, AIP Confer- ence Proceedings, editor: Knuth, Kevin and Caticha, Ariel, and others, AIP Publishing, New York1641(1) 345–352 (2015). DOI:10.1063/1.4906027

  11. [11]

    Nawaz, Shahid, and Caticha, Ariel, ”Momentum and uncertainty relations in the en- tropic approach to quantum theory”, 31st AIP Conference Proceedings, American In- stitute of Physics1443(1) 112–119 (2012)

  12. [12]

    DOI:10.1103/PhysRevD.111.066001

    Bianconi, Ginestra, ”Gravity from Entropy”, Physical Review D111(6) 066001 (2025). DOI:10.1103/PhysRevD.111.066001

  13. [13]

    DOI:10.1088/1751-8113/44/22/225303

    Caticha, A., ”Entropic Dynamics, Time and Quantum Theory”, Journal of Physics A: Mathematical and Theoretical, IOP Publishing44(22) 225303 (2011). DOI:10.1088/1751-8113/44/22/225303

  14. [14]

    DOI:10.1088/1361-6382/ab42fe

    Ipek, Selman and Abedi, Mohammad and Caticha, Ariel, ”Entropic dynamics: recon- structing quantum field theory in curved space-time”, Classical and Quantum Gravity, IOP Publishing36(20) 20501 (2019). DOI:10.1088/1361-6382/ab42fe

  15. [15]

    DOI:10.3390/sym12081324 24Shahid Nawaz, Muhammad Saleem, Muhammad S

    ˙Ipek, Selman and Caticha, Ariel, ”The Entropic Dynamics of Quantum Scalar Fields Coupled to Gravity”, Symmetry, MDPI ,12(8) 1324 (2020). DOI:10.3390/sym12081324 24Shahid Nawaz, Muhammad Saleem, Muhammad S. Anwar and Dalaver H. Anjum

  16. [16]

    Nawaz, Shahid and Abedi, Mohammad and Caticha, Ariel, ”Entropic dynamics on curved spaces”, AIP Conference Proceedings, AIP Publishing1757(1) (2016)

  17. [17]

    and Anjum, Dalaver H., ”Major Role of Multiscale Entropy Evolution in Complex Systems and Data Sci- ence”, Entropy, MDPI26(4) 330 (2024)

    Nawaz, Shahid and Saleem, Muhammad and Kusmartsev, Fedor V. and Anjum, Dalaver H., ”Major Role of Multiscale Entropy Evolution in Complex Systems and Data Sci- ence”, Entropy, MDPI26(4) 330 (2024). DOI:10.3390/e26040330

  18. [18]

    DOI:10.3390/e27080797

    Caticha, Ariel, and Saleem, Hassaan, ”Entropic Dynamics Approach to Relational Quantum Mechanics”, Entropy, MDPI,27(8) 797 (2025). DOI:10.3390/e27080797

  19. [19]

    E. T. Jaynes, ”Probability Theory: The Logic of Science”, Cambridge University Press,12.7–12.8 for Jeffreys’ rule and invariance properties (2003)

  20. [20]

    MIT OpenCourseWare,”Maxwell’s Equations and Wave Propagation in Free Space”, Lecture notes, Massachusetts Institute of Technology (2024), https://ocw.mit.edu/

  21. [21]

    Experimental verification of anisotropic heat diffusion via the generalized Onsager relation,

    A. Liu, F. Zhang, and T. Wen, “Experimental verification of anisotropic heat diffusion via the generalized Onsager relation,”International Journal of Heat and Mass Transfer 224, 125311 (2024), DOI:https://doi.org/10.1016/j.ijheatmasstransfer.2024.125311

  22. [22]

    Three-dimensional characterization of anisotropic ther- mal conductivity tensors in solids,

    Y. Chen, L. Huang, and Z. Wu, “Three-dimensional characterization of anisotropic ther- mal conductivity tensors in solids,”International Journal of Heat and Mass Transfer 225, 125478 (2025), DOI:https://doi.org/10.1016/j.ijheatmasstransfer.2025.125478

  23. [23]

    Byron Bird and Warren E

    R. Byron Bird and Warren E. Stewart and Edwin N. Lightfoot, ”Transport Phenom- ena”, 2nd Ed., John Wiley & Sons, New York (2007), ISBN:978-0-471-41077-8

  24. [24]

    Pope, ”Turbulent Flows”, Cambridge University Press, Cambridge, UK 2000), isbn:9780521598866

    Stephen B. Pope, ”Turbulent Flows”, Cambridge University Press, Cambridge, UK 2000), isbn:9780521598866

  25. [25]

    Kays and Michael E

    William M. Kays and Michael E. Crawford, ”Convective Heat and Mass Transfer”, 3rd Ed., McGraw-Hill, New York (1993) ISBN: 978-0070337213

  26. [26]

    S. R. De Groot and P. Mazur, ”Non-Equilibrium Thermodynamics”, Dover Publica- tions, New York (1984), ISBN:978-0486647418

  27. [27]

    Erwin Kreyszig, ”Advanced Engineering Mathematics”, 10th Ed., John Wiley & Sons, Hoboken, NJ (2011) isbn:9780470458368

  28. [28]

    Carroll, ”Spacetime and Geometry: An Introduction to General Relativity”, 2nd Ed

    Sean M. Carroll, ”Spacetime and Geometry: An Introduction to General Relativity”, 2nd Ed. Cambridge University Press, Cambridge, UK (2019) isbn:9781108488396

  29. [29]

    Stanley Deser, ”Self-Interaction and Gauge Invariance”, General Relativity and Gravi- tation, Springer1(1) 9–18 (1970) DOI:10.1007/BF00759198

  30. [30]

    Misner and Kip S

    Charles W. Misner and Kip S. Thorne and John Archibald Wheeler, ”Gravitation”, W. H. Freeman and Company, San Francisc o, USA (1973), ISBN:978-0-7167-0344-0

  31. [31]

    Michele Maggiore, ”Gravitational Waves: Theory and Experiments”, Oxford University Press, Oxford, UK (2007) ISBN:9780198570745

  32. [32]

    Schutz, ”A First Course in General Relativity”, Cambridge University Press, Cambridge, UK (1985) ISBN:978-0521887052

    Bernard F. Schutz, ”A First Course in General Relativity”, Cambridge University Press, Cambridge, UK (1985) ISBN:978-0521887052

  33. [33]

    Will, ”Gravity: Newtonian, Post-Newtonian, Relativistic”, Cambridge University Press, Cambridge, UK (2014), ISBN:9781107032866

    Eric Poisson and Clifford M. Will, ”Gravity: Newtonian, Post-Newtonian, Relativistic”, Cambridge University Press, Cambridge, UK (2014), ISBN:9781107032866. Unified Entropic Dynamics Framework for Classical, and Quantum Wave Equations25

  34. [34]

    Li and C.-Q

    , Z.-H. Li and C.-Q. Li and L.-G. Pang, ”Solving Einstein Equations Using Deep Learn- ing”, arXiv:gr-qc/2309.07397 (2023). DOI:https://arxiv.org/abs/2309.07397

  35. [35]

    Entropic dynamics,

    A. Caticha, “Entropic dynamics,” inBayesian Inference and Maximum Entropy Meth- ods in Science and Engineering, A. Mohammad-Djafari, Ed., AIP Conf. Proc.,1641, pp. 155–170, American Institute of Physics, Melville, NY, 2015. DOI:10.1063/1.4905974

  36. [36]

    Ariel Caticha, ”Hamilton–Killing Flows and the Geometry of Entropic Dynam- ics”, Published as: Perimeter Institute Recorded Seminar Archive (PIRSA) (2021), https://pirsa.org/21070035

  37. [37]

    Anisotropic Klemens model of phonon–phonon interactions in materials with tensorial conductivity,

    G. Bianconi, “Anisotropic Klemens model of phonon–phonon interactions in materials with tensorial conductivity,”Int. J. Heat Mass Transfer,225, 125463, 2025, DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2025.125463

  38. [38]

    A. R. Plastino and Constantino Tsallis,”Dissipative and nonlinear extensions of the Klein–Gordon equation”, Journal of Mathematical Physics, AIP Publishing56(5) 053503 (2015). DOI:10.1063/1.4921232

  39. [39]

    From the Klein–Gordon equation to the relativistic quantum hydrodynamics system,

    M. S. Ali and C. Tsallis, “From the Klein–Gordon equation to the relativistic quantum hydrodynamics system,”Entropy27, 502 (2025), https://doi.org/10.3390/e27040502

  40. [40]

    Shun-ichi Amari,”Information Geometry and Its Applications”, Springer, Tokyo, Japan (2016), isbn:978-4-431-55977-0

  41. [41]

    John Archibald Wheeler, ”Information, Physics, Quantum: The Search for Links”, Pro- ceedings of the 3rd International Symposium on Foundations of Quantum Mechanics, Physical Society of Japan 354–368 (1989)

  42. [42]

    Faizal, Mir and Krauss, Lawrence M. and Shabir, Arshid and Marino, Francesco and Pourhassan, Behnam, ”Can quantum gravity be both consistent and com- plete?”, International Journal of Modern Physics D, World Scientific34(16) (2025). DOI:10.1142/S0218271825440171