Fluctuation theorems:: Work is not an observable

被引：580

作者：

Talkner, Peter ^{[1
]}

Lutz, Eric ^{[1
]}

Haenggi, Peter ^{[1
]}

机构：

[1] Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany

来源：

PHYSICAL REVIEW E | 2007年 / 75卷 / 05期

关键词：

D O I：

10.1103/PhysRevE.75.050102

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The characteristic function of the work performed by an external time-dependent force on a Hamiltonian quantum system is identified with the time-ordered correlation function of the exponentiated system's Hamiltonian. A similar expression is obtained for the averaged exponential work which is related to the free energy difference of equilibrium systems by the Jarzynski work theorem.

引用

页数：2

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