Properties of graphene: a theoretical perspective
DSL Abergel, V Apalkov, J Berashevich… - Advances in …, 2010 - Taylor & Francis
The electronic properties of graphene, a two-dimensional crystal of carbon atoms, are
exceptionally novel. For instance, the low-energy quasiparticles in graphene behave as …
exceptionally novel. For instance, the low-energy quasiparticles in graphene behave as …
Enhanced thermopower of graphene films with oxygen plasma treatment
In this work, we show that the maximum thermopower of few layers graphene (FLG) films
could be greatly enhanced up to∼ 700 μV/K after oxygen plasma treatment. The electrical …
could be greatly enhanced up to∼ 700 μV/K after oxygen plasma treatment. The electrical …
Diffusion coefficient, correlation function, and power spectral density of velocity fluctuations in monolayer graphene
In this paper, the diffusivity in suspended monolayer graphene at low and high electric fields
is investigated. The knowledge of this quantity and its dependence on the electric field is of …
is investigated. The knowledge of this quantity and its dependence on the electric field is of …
Robust quantum transport at particle-hole symmetry
We study quantum transport in disordered systems with particle-hole symmetric
Hamiltonians. The particle-hole symmetry is spontaneously broken after averaging with …
Hamiltonians. The particle-hole symmetry is spontaneously broken after averaging with …
Effective mass and tricritical point for lattice fermions localized by a random mass
MV Medvedyeva, J Tworzydło, CWJ Beenakker - Physical Review B …, 2010 - APS
This is a numerical study of quasiparticle localization in symmetry class BD (realized, for
example, in chiral p-wave superconductors), by means of a staggered-fermion lattice model …
example, in chiral p-wave superconductors), by means of a staggered-fermion lattice model …
Valley symmetry breaking and gap tuning in graphene by spin doping
We study graphene with an adsorbed spin texture, where the localized spins create a
periodic magnetic flux. The latter produces gaps in the graphene spectrum and breaks the …
periodic magnetic flux. The latter produces gaps in the graphene spectrum and breaks the …
Absence of a metallic phase in charge-neutral graphene with a random gap
JH Bardarson, MV Medvedyeva, J Tworzydło… - Physical Review B …, 2010 - APS
It is known that fluctuations in the electrostatic potential allow for metallic conduction
(nonzero conductivity in the limit of an infinite system) if the carriers form a single species of …
(nonzero conductivity in the limit of an infinite system) if the carriers form a single species of …
Effect of the Coulomb interaction on the gap in monolayer and bilayer graphene
We study effects of a repulsive Coulomb interaction on the spectral gap in monolayer and
bilayer graphene in the vicinity of the charge neutrality point by employing the functional …
bilayer graphene in the vicinity of the charge neutrality point by employing the functional …
Optical Hall conductivity of systems with gapped spectral nodes
We calculate the optical Hall conductivity within the Kubo formalism for systems with gapped
spectral nodes, where the latter have a power-law dispersion with exponent n. The optical …
spectral nodes, where the latter have a power-law dispersion with exponent n. The optical …
An invariant measure of chiral quantum transport
K Ziegler - Journal of Physics A: Mathematical and Theoretical, 2024 - iopscience.iop.org
We study the invariant measure of the transport correlator for a chiral Hamiltonian and
analyze its properties. The Jacobian of the invariant measure is a function of random …
analyze its properties. The Jacobian of the invariant measure is a function of random …