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Path Integrals pp 455-477 | Cite as

Functional Equations and Their Treatment in Non-Equilibrium Statistical Mechanics

  • Iwao Hosokawa
Part of the NATO Advanced Study Institutes Series book series (NSSB, volume 34)

Abstract

The classical BBGKY hierarchy is reformulated into a single functional equation. A suitable modification of this (neglecting the anti-irreversible or entropy-destructive process) gives an irreversible dynamics of the many-particle system evolution, which is called the functional random-walk model.

Then, the basic (functional-differential) equation governs formally the time development of the probability density functional of the particle-number density in the one-body phase space. Some topics, mathematical as well as physical, around this equation are presented. For instance, the integral representation of the equation expresses an ensemble of generalized Brownian paths in the function space of the particle-number density; any state of the system approaches irreversibly to the ultimate equilibrium state (if the system is closed), for which the probabilistic mode in the function space is nothing other than of canonical form, etc.

Keywords

Riemannian Space Vlasov Equation Generalize Particle Kolmogorov Equation Canonical Distribution 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1978

Authors and Affiliations

  • Iwao Hosokawa
    • 1
  1. 1.Dept. Mech. Engrg.Iwate UniversityMorioka 020Japan

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