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Optical conductivity and electron-hole pair creation in graphene.

作者信息

Vildanov N M

机构信息

Lebedev Physical Institute, 119991 Moscow, Russia.

出版信息

J Phys Condens Matter. 2009 Nov 4;21(44):445802. doi: 10.1088/0953-8984/21/44/445802. Epub 2009 Oct 15.

DOI:10.1088/0953-8984/21/44/445802
PMID:21832469
Abstract

The optical conductivity of graphene is studied in detail. It is shown how crossover from nonlinear to linear behaviour of the current density occurs when the frequency of the external electric field is increased. We also study electron-hole pair creation in bilayer graphene and show that its rate in a static electric field is determined by a power law as for single-layer graphene but with a different exponent. Subsequently, transport in carbon nanotubes is studied.

摘要

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