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Electron States and Quasienergy Spectrum of the Graphene Exposed to the Electromagnetic Wave

Author(s): S.V. Kryuchkov | E.I. Kukhar’ | O.S. Nikitina

Journal: Journal of Nano- and Electronic Physics
ISSN 2077-6772

Volume: 5;
Issue: 3;
Start page: 03005-1;
Date: 2013;
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Keywords: Graphene | Dirac equation | Quasienergy | Parametric resonanc

The effective spectrum and wave functions of electron states in graphene under the electromagnetic wave with circular polarization are found. The band gap in the graphene spectrum induced by the electromagnetic wave is calculated. Occurrence of such gap is shown to have the nature of the parametric resonance. The effective energy of the electron state in graphene is proved to be the energy averaged over the period of the electromagnetic wave.
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