Temperature-induced plasma excitations in gapped graphene and silicene

ORAL

Abstract

Both closed-form analytic and numerical results are presented for the polarization function, as well as the plasmon excitations of gapped graphene and silicene. The calculations are carried out within the random phase approximation (RPA). We investigate the behavior of the plasmon dispersion as a function of sublattice potential difference in silicene. These results could be used to compare the effective mass model with the tight-binding approximation at finite temperature in which spin-orbit coupling is included.

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Authors

  • Andrii Iurov

    • University of New Mexico and Hunter College, CUNY
    • CHTM, Unversity of New Mexico and Hunter College CUNY

  • Godfrey Gumbs

    • Hunter College of the City University of New York
    • Hunter College, CUNY and Donostia International Physics Center (DIPC)
    • Hunter College, CUNY
    • Hunter College, CUNY and Donostia International Physics Center (DIPC),
    • Hunter College, CUNY, NY
    • Hunter College, City University of New York

  • Danhong Huang

    • Air Force Research Laboratory, Space Vehicles Directorate