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Magnetoplasmons in gapped graphene in a periodically modulated magnetic field
Author(s) -
Tahir M.,
Schwingenschlögl U.
Publication year - 2016
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.201500279
Subject(s) - graphene , condensed matter physics , magnetic field , physics , landau quantization , random phase approximation , limit (mathematics) , quantum mechanics , mathematical analysis , mathematics
Motivated by recent experiments on long‐lived magnetoplasmons in the presence of a perpendicular magnetic field, we investigate the dynamical dielectric response function of graphene in contact with a substrate using the random phase approximation. We add a periodically modulated magnetic field within the graphene plane and address both the inter and intra Landau band magnetoplasmons. Verification of the predicted magnetic modulation effects is possible by experiments analogous to those for the zero gap limit.