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原文連結
論文資訊
- 類型：已發表論文
- 日期：2008
摘要
Many of the core concepts and (especially field-theoretic) tools of 統計 mechanics have developed within the context of 熱力學 equilibrium, where state variables are all taken to be charges, meaning that their values are inherently preserved under reversal of the direction of time. A principle concern of nonequilibrium 統計 mechanics is to understand the 湧現 and stability of currents, quantities whose values change sign under time reversal. Whereas the correspondence between classical charge-valued state variables and their underlying 統計 or 量子 ensembles is quite well understood, the study of currents away from equilibrium has been more fragmentary, with classical descriptions relying on the asymmetric auxiliary-field formalism of Martin, Siggia, and Rose (and often restricted to the 馬可夫ian assumpt
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