NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2016, 7 (1), P. 51–57
Electromagnetic radiation by electrons in the corrugated graphene
S. A. Ktitorov – Ioffe Institute; St. Petersburg Electrotechnical University LETI, St. Petersburg, Russia; ktitorov@mail.ioffe.ru
R. I. Mukhamadiarov – Ioffe Institute, St. Petersburg, Russia
The electromagnetic radiation of electrons in the corrugated graphene has been studied in the presence of a transport electric current in the ballistic regime. We considered here the impact of ripples in monolayer graphene on its electromagnetic properties. Electromagnetic radiation was actually calculated with a use of the standard electromagnetic theory. Two cases: those of regular and random structures were analyzed. The nonlinear relationship between the random height function h(x; y) and the gauge field is shown to create a central radiation frequency distribution peak.
Keywords: dipole approximation, graphene, ripples, improper, gauge field.
PACS 78.67.Bf
DOI 10.17586/2220-8054-2016-7-1-51-57
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