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Work function, deformation potential, and collapse of Landau levels in strained graphene and silicene
D. Grassano, M. D'Alessandro, O. Pulci +3
We perform a systematic {\it ab initio} study of the work function and its uniform strain dependence for graphene and silicene for both tensile and compressive strains. The Poisson…
Transport Spectroscopy of the Field Induced Cascade of Lifshitz Transitions in YbRh2Si2
Alexandre Pourret, Sergei G. Sharapov, Tatsuma D. Matsuda +3
A series of strong anomalies in the thermoelectric power is observed in the heavy fermion compound YbRhSi under the effect of magnetic field varying in the range from 9.5~T…
On the universal AC optical background in graphene
V. P. Gusynin, S. G. Sharapov, J. P. Carbotte
The latest experiments have confirmed the theoretically expected universal value of the ac conductivity of graphene and have revealed departures of the quasiparticle dyna…
Excitonic gap, phase transition, and quantum Hall effect in graphene: strong-coupling regime
V. P. Gusynin, V. A. Miransky, S. G. Sharapov +1
We suggest that physics underlying the recently observed removal of sublattice and spin degeneracies in graphene in a strong magnetic field describes a phase transition connected w…
Excitonic gap, phase transition, and quantum Hall effect in graphene
V. P. Gusynin, V. A. Miransky, S. G. Sharapov +1
We suggest that physics underlying the recently observed removal of sublattice and spin degeneracies in graphene in a strong magnetic field describes a phase transition connected w…
Unusual Microwave Response of Dirac Quasiparticles in Graphene
V. P. Gusynin, S. G. Sharapov, J. P. Carbotte
Recent experiments have proven that the quasiparticles in graphene obey a Dirac equation. Here we show that microwaves are an excellent probe of their unusual dynamics. When the ch…