Thermal rectification effect of an interacting quantum dot

被引：0
|
作者：
Chen Xue-Ou [1 ]
Dong Bing [1 ]
Lei Xiao-Lin [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200030, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 08期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the nonlinear thermal transport properties of a single interacting quantum dot with two energy levels tunnel-coupled to two electrodes using nonequilibrium Green function method and Hartree-Fock decoupling approximation. In the case of asymmetric tunnel-couplings to two electrodes, for example, when the upper level of the quantum dot is open for transport, whereas the lower level is blocked, our calculations predict a strong asymmetry for the heat (energy) current, which shows that the quantum dot system may act as a thermal rectifier in this specic situation.
引用
收藏
页码：3032 / 3035
页数：4
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