General performance characteristics and parametric optimum criteria of a nano-thermoelectric refrigerator with an external magnetic field

被引：2
|
作者：
Wang, Hao [1 ]
Wu, Guoxing [1 ]
Xie, Jian [1 ]
机构：
[1] Shanghai Normal Univ, Tianhua Coll, Shanghai 201815, Peoples R China
来源：
PHYSICA SCRIPTA | 2012年 / 86卷 / 03期
关键词：
ELECTRON TRANSMISSION; CONDUCTANCE; TRANSPORT; OSCILLATIONS; MOLECULES;
D O I：
10.1088/0031-8949/86/03/035705
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In the paper, we describe a single-level quantum dot with an external magnetic field that works as a nano-thermoelectric refrigerator. Based on the model, the expressions for the cooling rate (R), the power input (P) and the coefficient of performance (epsilon) are derived. The effects of the magnetic field strength and the level energy on the performance of the refrigerator are revealed. The optimal performance characteristics of the refrigerator are analyzed by numerical calculation. Furthermore, the practical operating regions of the cycle are determined.
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页数：5
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