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9 papers · 2 filters
Next-nearest-neighbor Tight-binding Model of Plasmons in Graphene
V. Kadirko, K. Ziegler, E. Kogan
In this paper we investigate the influence of the next-nearest-neighbor coupling of tight-binding model of graphene on the spectrum of plasmon excitations. The nearest-neighbor tig…
Quarter-Filled Honeycomb Lattice with a Quantized Hall Conductance
Ganpathy Murthy, Efrat Shimshoni, R. Shankar +1
We study a generic two-dimensional hopping model on a honeycomb lattice with strong spin-orbit coupling, without the requirement that the half-filled lattice be a Topological Insul…
RKKY interaction in graphene
E. Kogan
We consider RKKY interaction between two magnetic impurities in graphene. The consideration is based on the perturbation theory for the thermodynamic potential in the imaginary tim…
RKKY Interaction in Graphene Calculated Following Ruderman and Kittel
E. Kogan
This paper has been withdrawn because it has been by far superseded by the Author's post arXiv:1108.1306v6, which was published on 30/08/2011.
Electronic properties of mesoscopic graphene structures: charge confinement and control of spin and charge transport
A. V. Rozhkov, G. Giavaras, Yury P. Bliokh +2
This brief review discusses electronic properties of mesoscopic graphene-based structures. These allow controlling the confinement and transport of charge and spin; thus, they are…
Density of states of a dissipative quantum dot coupled to a quantum wire
Moshe Goldstein, Richard Berkovits
We examine the local density of states of an impurity level or a quantum dot coupled to a fractional quantum Hall edge, or to the end of a single one-dimensional Luttinger-liquid l…