Sum rule for fluctuations of work

被引：0

作者：

Park, Hyogeon ^{[1
]}

Kim, Yong Woon ^{[1
]}

Yi, Juyeon ^{[2
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Phys, Deajeon 34141, South Korea

[2] Pusan Natl Univ, Dept Phys, Busan 46241, South Korea

来源：

PHYSICAL REVIEW E | 2024年 / 110卷 / 03期

关键词：

ENTROPY PRODUCTION; QUANTUM;

D O I：

10.1103/PhysRevE.110.034108

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：

We study the fluctuations of work caused by applying cyclic perturbations and obtain an exact sum rule satisfied by the moments of work for a broad class of quantum stationary ensembles. In the case of the canonical ensemble, the sum rule reproduces the Jarzynski equality. The sum rule can also be simplified into a linear relationship between the work average and the second moment of work, which we numerically confirm via an exact diagonalization of a spin model system.

引用

页数：9

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