Consistent thermodynamic framework for interacting particles by neglecting thermal noise

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Fernando D NobreRoberto F S Andrade

Abstract

An effective temperature θ, conjugated to a generalized entropy s(q), was introduced recently for a system of interacting particles. Since θ presents values much higher than those of typical room temperatures T≪θ, the thermal noise can be neglected (T/θ≃0) in these systems. Moreover, the consistency of this definition, as well as of a form analogous to the first law of thermodynamics, du=θds(q)+δW, were verified lately by means of a Carnot cycle, whose efficiency was shown to present the usual form, η=1-(θ(2)/θ(1)). Herein we explore further the heat contribution δQ=θds(q) by proposing a way for a heat exchange between two such systems, as well as its associated thermal equilibrium. As a consequence, the zeroth principle is also established. Moreover, we consolidate the first-law proposal by following the usual procedure for obtaining different potentials, i.e., applying Legendre transformations for distinct pairs of independent variables. From these potentials we derive the equation of state, Maxwell relations, and define response functions. All results presented are shown to be consistent with those of standard thermodynamics for T>0.

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Feb 2, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Fernando D NobreEvaldo M F Curado
Sep 13, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Mauricio S RibeiroEvaldo M F Curado
Oct 30, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Evaldo M F CuradoRoberto F S Andrade

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Citations

Sep 15, 2016·Physical Review. E·Mauricio S Ribeiro, Fernando D Nobre
Feb 18, 2017·Physical Review. E·Andre M C Souza, Fernando D Nobre
Jan 15, 2016·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·João R Medeiros, Sílvio M Duarte Queirós
Jan 14, 2017·Physical Review. E·Gabriele SicuroConstantino Tsallis
Mar 9, 2018·Entropy·Evaldo M F Curado, Fernando D Nobre
Jul 15, 2019·Entropy·Constantino Tsallis

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