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Contact Temperature as an Internal Variable of Discrete Systems in Non-Equilibrium (1709.03156v1)
Published 10 Sep 2017 in physics.class-ph and cond-mat.stat-mech
Abstract: State space and entropy rate of a discrete non-equilibrium system are shortly considered including internal variables and the contact temperature. The concept of internal variables in the context of non-equilibrium thermodynamics of a closed discrete system is discussed. The difference between internal variables and degrees of freedom are repeated, and different types of their evolution equations are mentioned in connection with G\'{e}rard A. Maugin's numerous papers on applications of internal variables. The non-equilibrium contact temperature is recognized as an internal variable and its evolution equation is presented.