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量子谐振子的非平衡功分布

Nonequilibrium work distribution of a quantum harmonic oscillator.

作者信息

Deffner Sebastian, Lutz Eric

机构信息

Department of Physics, University of Augsburg, Augsburg, Germany.

出版信息

Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Feb;77(2 Pt 1):021128. doi: 10.1103/PhysRevE.77.021128. Epub 2008 Feb 27.

DOI:10.1103/PhysRevE.77.021128
PMID:18352008
Abstract

We calculate analytically the work distribution of a quantum harmonic oscillator with arbitrary time-dependent angular frequency. We provide detailed expressions for the work probability density for adiabatic and nonadiabatic processes, in the limits of low and high temperature. We further verify the validity of the quantum Jarzynski equality.

摘要

我们通过解析计算了具有任意随时间变化角频率的量子谐振子的功分布。我们给出了在低温和高温极限下绝热和非绝热过程的功概率密度的详细表达式。我们进一步验证了量子雅津斯基等式的有效性。

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