Complementarity relation for irreversible process derived from stochastic energetics

Details Complementarity relation for irreversible process derived from stochastic energetics Complementarity relation for irreversible process derived from stochastic energetics

1997-08-05

arxiv.org/abs/cond-mat/9708032v1

Physics

Condensed Matter

Statistical Mechanics

3 pages. LaTeX with 6 style macros

Scientific paper

10.1143/JPSJ.66.3326

When the process of a system in contact with a heat bath is described by classical Langevin equation, the method of stochastic energetics [K. Sekimoto, J. Phys. Soc. Jpn. vol. 66 (1997) p.1234] enables to derive the form of Helmholtz free energy and the dissipation function of the system. We prove that the irreversible heat Q_irr and the time lapse $Delta t} of an isothermal process obey the complementarity relation, Q_irr {Delta t} >= k_B T S_min, where S_min depends on the initial and the final values of the control parameters, but it does not depend on the pathway between these values.

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