The Statistical Mechanical Aspect of the H-Theorem, II
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概要
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This paper is devoted to the discussion of the properties of the H-function, especially concerning its irreversible character somewhat quantitatively, using the same model as that used in the previous paper. As the result, it is concluded that the more roughly the macroscopic observation is done, the more rapidly the H-function decreases to an equilibrium value as shown in Fig.2. Thus it is clarified that H-function of a given system which is in a non-equilibrium situation should be defined in connection with the accuracy of macroscopic observations. In our calculations, we have not used any assumptions such as "Stosszahlansatz"or the ccarse-graining in every moment of the process, except only once in setting up the ensemble which represents a given non-equilibrium initial state. Our result gives a justification of statistical aspect of the H-theorem suggested by Ehrenfest without proof.
- 理論物理学刊行会の論文
著者
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TERAMOTO Ei
Department of Physics, Kyoto University
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Teramoto Ei
Department Of Physics Kyoto University
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Teramoto Ei
Department Of Biophysics Kyoto University
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