Heat diode and engine based on quantum Hall edge states

被引：70
作者：
Sanchez, Rafael [1 ]
Sothmann, Bjoern [2 ]
Jordan, Andrew N. [3 ,4 ]
机构：
[1] CSIC, ICMM, E-28049 Madrid, Spain
[2] Univ Geneva, Dept Phys Theor, CH-1211 Geneva 4, Switzerland
[3] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
[4] Chapman Univ, Inst Quantum Studies, Orange, CA 92866 USA
来源：
NEW JOURNAL OF PHYSICS | 2015年 / 17卷
基金：
瑞士国家科学基金会;
关键词：
thermoelectrics; thermal diode; quantum Hall effect; THERMOELECTRIC TRANSPORT; POINT CONTACTS; ELECTRON-GAS; THERMOPOWER; CONDUCTANCE; REGIME; DOT; CHANNEL; FLOW; TRANSMISSION;
D O I：
10.1088/1367-2630/17/7/075006
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate charge and energy transport in a three-terminal quantum Hall conductor. The peculiar properties of chiral propagation along the edges of the sample have important consequences on the response to thermal biases. Based on the separation of charge and heat flows, thermoelectric conversion and heat rectification can be manipulated by tuning the scattering at gate-modulated constrictions. Chiral motion in a magnetic field allows for a different behavior of left- and right-moving carriers giving rise to thermal rectification by redirecting the heat flows. We propose our system both as an efficient heat-to-work converter and as a heat diode.
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页数：13
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