Selection-rule blockade and rectification in quantum heat transport

被引：23
作者：
Ojanen, Teemu [1 ,2 ]
机构：
[1] Free Univ Berlin, Dahlem Ctr Complex Quantum Syst, D-14195 Berlin, Germany
[2] Free Univ Berlin, Fachbereich Phys, D-14195 Berlin, Germany
来源：
PHYSICAL REVIEW B | 2009年 / 80卷 / 18期
关键词：
heat transfer; mesoscopic systems; rectification;
D O I：
10.1103/PhysRevB.80.180301
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present a thermal transport phenomenon, a unidirectional selection-rule blockade, and show how it produces unprecedented rectification of bosonic heat flow through molecular or mesoscopic quantum systems. Rectification arises from the quantization of energy levels of the conduction element and selection rules of reservoir coupling operators. The simplest system exhibiting the selection-rule blockade is an appropriately coupled three-level system, providing a candidate for a high-performance heat diode. We present an analytical treatment of the transport problem and discuss how the phenomenon generalizes to multilevel systems.
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页数：4
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