Working Paper Article Version 1 This version is not peer-reviewed

Tunneling in Fermi Systems with Quadratic Band Crossing Points

Version 1 : Received: 4 June 2020 / Approved: 5 June 2020 / Online: 5 June 2020 (14:13:37 CEST)

How to cite: Mandal, I. Tunneling in Fermi Systems with Quadratic Band Crossing Points. Preprints 2020, 2020060051 Mandal, I. Tunneling in Fermi Systems with Quadratic Band Crossing Points. Preprints 2020, 2020060051

Abstract

We investigate the tunneling of quasiparticles through a potential barrier of finite height and width, in a system with a band structure consisting of a quadratic band crossing point (QBCP). We compute the results of the transmission coefficient at various incident angles, and also the conductivity and the Fano factor. We discuss the distinguishing signatures of these transport properties in comparison with other semimetals, as well as electrons in normal metals.

Subject Areas

quadratic band touching semimetal; transmission coefficient

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