Differential transport coefficients and the fluctuation-dissipation theorem for nonequilibrium steady states

Masakazu Ichiyanagi

Physica A: Statistical Mechanics and its Applications, 1993, vol. 201, issue 4, 626-648

Abstract: In order to establish a fluctuation-dissipation theorem for a system in a nonequilibrium steady state, a general formalism is given of the quantum statistical mechanics for nonequilibrium systems imposed on constant external fields. In terms of a single function, we can prove our fluctuation-dissipation theorem in the simplest form. The theorem proved is applied to the study of differential transport coefficients. A generalization of Onsager's reciprocity relation is derived for differential transport coefficients. It is shown that a measurement of differential transport coefficients yields auto-correlation functions of macroscopic operators.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:201:y:1993:i:4:p:626-648

DOI: 10.1016/0378-4371(93)90133-O

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