Anti-localization of graphene under the substrate electric field

K. I. Imura, Y. Kuramoto, K. Nomura

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

A simple criterion is provided on how the (anti-)localization properties of graphene are determined in the presence of inter-valley scattering, Kane-Mele topological mass term, and Rashba spin-orbit interaction (SOI). A set of (pseudo) time-reversal operations show that the number of effective internal degrees of freedom, such as spin and pseudo-spins distinguishing the sublattice and the valley, is the crucial parameter for localization. It is predicted that the perpendicular electric field due to the gate voltage of the substrate drives the system to anti-localization by enhancing the Rashba SOI.

Original languageEnglish
Article number17009
JournalEPL
Volume89
Issue number1
DOIs
Publication statusPublished - 2010

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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