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arXiv · 1504.05460

Two-phonon scattering in graphene in the quantum Hall regime

A. M. Alexeev·R. R. Hartmann·M. E. Portnoi
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Abstract

One of the most distinctive features of graphene is its huge inter-Landau-level splitting in experimentally attainable magnetic fields which results in the room-temperature quantum Hall effect. In this paper we calculate the longitudinal conductivity induced by two-phonon scattering in graphene in a quantizing magnetic field at elevated temperatures. It is concluded that the purely phonon-induced scattering, negligible for conventional semiconductor heterostructures under quantum Hall conditions, becomes comparable to the disorder-induced contribution to the dissipative conductivity of graphene in the quantum Hall regime.

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A. M. Alexeev, R. R. Hartmann, M. E. Portnoi. 2015-12-04. Two-phonon scattering in graphene in the quantum Hall regime. https://doi.org/10.1103/physrevb.92.195431

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