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Browsing Greinar- HÍ by Subject "Band gap"

Browsing Greinar- HÍ by Subject "Band gap"

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    All-optical band engineering of gapped Dirac materials 
    Kibis, Oleg; Dini, Kevin Tanguy Elian; Iorsh, Ivan; Shelykh, Ivan (American Physical Society (APS), 2017-03-01)
    We demonstrate theoretically that the interaction of electrons in gapped Dirac materials (gapped graphene and transition-metal dichalchogenide monolayers) with a strong off-resonant electromagnetic field (dressing field) substantially renormalizes the ...
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    Impact of high-frequency pumping on anomalous finite-size effects in three-dimensional topological insulators 
    Pervishko, Anastasiia A.; Yudin, Dmitry; Shelykh, Ivan (American Physical Society (APS), 2018-02-16)
    Lowering of the thickness of a thin-film three-dimensional topological insulator down to a few nanometers results in the gap opening in the spectrum of topologically protected two-dimensional surface states. This phenomenon, which is referred to as the ...