Anisotropic photoconductivity in graphene

Details Anisotropic photoconductivity in graphene Anisotropic photoconductivity in graphene

2011-04-05

arxiv.org/abs/1104.0902v2

EPL 96 (2011) 37006

Physics

Condensed Matter

Materials Science

4 pages, 2 figures

Scientific paper

10.1209/0295-5075/96/37006

We investigate the photoconductivity of graphene within the relaxation time approximation. In 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 be utilized for light polarization detection.

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