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Heat diode and engine based on quantum Hall edge states
Rafael Sánchez, Björn Sothmann, Andrew N. Jordan
arXiv: 1503.02926v1 (cond-mat.mes-hall)
19 pages, 8 figures
License: NONEXCLUSIVE-DISTRIB 1.0
Abstract: 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, thermolectric conversion and heat rectification can be manipulated by tuning the scattering at gate-modulated constrictions. We propose our system both as an efficient heat-to-work converter and as a heat diode.
Submitted to arXiv on 10 Mar. 2015