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Terahertz radiation induced circular Hall effect in graphene

Candussio, S. ; Bernreuter, S. ; Rockinger, T. ; Watanabe, K. ; Taniguchi, T. ; Eroms, J. ; Dmitriev, I. A. ; Weiss, D. ; Ganichev, S. D.



Abstract

We report on the observation of the circular transversal terahertz photoconductivity in monolayer graphene supplied by a back gate. The photoconductivity response is caused by the free carrier absorption and reverses its sign upon switching the radiation helicity. The observed dc Hall effect manifests the time inversion symmetry breaking induced by circularly polarized terahertz radiation in the ...

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