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

Autor:	Stevenson, Conor, Braunecker, Bernd
Rok vydání:	2020
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Condensed Matter - Strongly Correlated Electrons
Zdroj:	Phys. Rev. B 103, 115413 (2021)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevB.103.115413
Popis:	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. Comment: 8 pages, 3 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2002.03593 Zobrazit plný text záznamu View this record from Arxiv