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Anisotropic photoconductivity in graphene

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Trushin, Maxim ; Schliemann, John
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Date of publication of this fulltext: 26 May 2011 07:35


We investigate the photoconductivity of graphene within the relaxation time approximation. In the presence of the inter-band transitions induced by the linearly polarized light the photoconductivity turns out to be highly anisotropic due to the pseudospin selection rule for Dirac-like carriers. The effect can be observed in clean undoped graphene samples and can be utilized for light polarization detection.

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