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 ...