论文标题

将热量和电荷整流为量子线中的多体效应

Decoupled heat and charge rectification as a many-body effect in quantum wires

论文作者

Stevenson, Conor, Braunecker, Bernd

论文摘要

我们表明,对于具有局部不对称散射电势的量子线,电荷和热矫正的主要通道在电子相互作用下以不同的方式将其变形和恢复正等利,而热量整流通常更相关。矫正的极化是由于量子干扰而导致的,并且可以通过外观进行调节。此外,对于自旋极化或螺旋电子以及足够强的相互作用,可以获得强烈校正热传输,但电荷整流非常弱。

We show that for a quantum wire with a local asymmetric scattering potential the principal channels for charge and heat rectification decouple and renormalise differently under electron interactions, with heat rectification generally being more relevant. The polarisation of the rectification results from quantum interference and is tuneable through external gating. Furthermore, for spin polarised or helical electrons and sufficiently strong interactions a regime can be obtained in which heat transport is strongly rectified but charge rectification is very weak.

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