Violation of the Fluctuation-Dissipation Theorem in Time-Dependent Mesoscopic Heat Transport

被引：57

作者：

Averin, Dmitri V. ^{[1
]}

Pekola, Jukka P. ^{[2
]}

机构：

[1] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

[2] Aalto Univ, Low Temp Lab, FI-00076 Aalto, Finland

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 104卷 / 22期

关键词：

QUANTUM; CONDUCTION;

D O I：

10.1103/PhysRevLett.104.220601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have analyzed the spectral density of fluctuations of the energy flux through a mesoscopic constriction between two equilibrium reservoirs. It is shown that at finite frequencies, the fluctuating energy flux is not related to the thermal conductance of the constriction by the standard fluctuation-dissipation theorem, but contains additional noise. The main physical consequence of this extra noise is that the fluctuations do not vanish at zero temperature together with the vanishing thermal conductance.

引用

页数：4

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