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Dynamical current-current susceptibility of gapped graphene

URN to cite this document:
urn:nbn:de:bvb:355-epub-209897
Scholz, Andreas ; Schliemann, John
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Date of publication of this fulltext: 26 May 2011 07:34


Abstract

We present analytical expressions for the current-current correlation function in graphene for arbitrary frequency, wave vector, doping, and band gap induced by a mass term. In the static limit, we analyze the Landau (orbital) and Pauli magnetization, as well as the Lindhard correction, which describes Friedel and Ruderman-Kittel-Kasuya-Yosida oscillations. In the nonrelativistic limit, we ...

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