Thermoelectric transport through Majorana bound states and violation of Wiedemann-Franz law

Abstract

We study features of the thermoelectric transport through a Kitaev chain hosting Majorana bound states (MBS) at its ends. We describe the behavior of the Seebeck coefficient and the ZT figure of merit for two different configurations between MBS and normal current leads. We find an important violation of the Wiedemann-Franz law in one of these geometries, leading to sizeable values of the thermoelectric efficiency over a narrow window in chemical potential away from neutrality. These findings could lead to interesting thermoelectric-based MBSs detection devices, via measurements of the Seebeck coefficient and figure of merit.

arXiv comment6 pages, 5 figures

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Cited by in corpus (24)

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• Universal Majorana thermoelectric noise
• Violation of the Wiedemann-Franz law in the Topological Kondo model
• Thermoelectric transport in junctions of Majorana and Dirac channels
• Gate voltage controlled thermoelectric figure of merit in three-dimensional topological insulator nanowires
• Enhancement of the thermoelectric effect due to the Majorana zero modes coupled to one quantum-dot system
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• Modification of electron-phonon coupling by micromachining and suspension
• Probing Majorana Bound States via Thermoelectric Transport
• Majorana Thermoelectrics and Refrigeration
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