Перегляд за автором "Gorbar, E.V."

Сортувати за: Порядок: Результатів:

  • Anomalous transport properties of Dirac and Weyl semimetals 
    Gorbar, E.V.; Miransky, V.A.; Shovkovy, I.A.; Sukhachov, P.O. (Физика низких температур, 2018)
    In this review we discuss a wide range of topological properties of electron quasiparticles in Dirac and Weyl semimetals. Their nontrivial topology is quantified by a monopole-like Berry curvature in the vicinity of Weyl ...
  • Effect of next-to-nearest neighbor hopping on electronic properties of graphene 
    Suprunenko, Y.F.; Gorbar, E.V.; Sharapov, S.G.; Loktev, V.M. (Физика низких температур, 2008)
    In the tight-binding approximation, we take into account the next-to-nearest neighbor hopping in graphene that leads to nonrelativistic-like corrections in its low energy spectrum. The electronic density of states in a ...
  • Electronic states of pseudospin-1 fermions in dice lattice ribbon 
    Oriekhov, D.O.; Gorbar, E.V.; Gusynin, V.P. (Физика низких температур, 2018)
    Boundary conditions for the two-dimensional fermions in ribbons of the hexagonal lattice are studied in the dice model whose energy spectrum in infinite system consists of three bands with one completely flat band of zero ...
  • Electron states in the field of charged impurities in two-dimensional Dirac systems 
    Gorbar, E.V.; Gusynin, V.P.; Sobol, O.O. (Физика низких температур, 2018)
    We review the theoretical and experimental results connected with the electron states in two-dimensional Dirac systems paying a special attention to the atomic collapse in graphene. Two-electron bound states of a Coulomb ...
  • Excitonic Instability and Gap Generation in Monolayer Graphene 
    Gamayun, O.V.; Gorbar, E.V.; Gusyn, V.P. (2010)
    We analyze the excitonic instability in graphene by solving the Bethe–Salpeter equation for the electron-hole bound state. In the supercritical regime, we show that this equation has a tachyon in its spectrum. We argue ...
  • Toward theory of quantum Hall effect in graphene 
    Gorbar, E.V.; Gusynin, V.P.; Miransky, V.A. (Физика низких температур, 2008)
    We analyze a gap equation for the propagator of Dirac quasiparticles and conclude that in graphene in a magnetic field, the order parameters connected with the quantum Hall ferromagnetism dynamics and those connected ...