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- Institute of PhysicsPL118 papers
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10 papers · 1 filter
Conformal mapping and shot noise in graphene
Adam Rycerz, Patrik Recher, Michael Wimmer
Ballistic transport through a collection of quantum billiards in undoped graphene is studied analytically within the conformal mapping technique. The billiards show pseudodiffusive…
Non-Abelian optical lattices: Anomalous quantum Hall effect and Dirac Fermions
N. Goldman, A. Kubasiak, A. Bermudez +3
We study the properties of an ultracold Fermi gas loaded in an optical square lattice and subjected to an external and classical non-Abelian gauge field. We show that this system c…
Ultracold atomic gases in non-Abelian gauge potentials: The case of constant Wilson loop
N. Goldman, A. Kubasiak, P. Gaspard +1
Nowadays it is experimentally feasible to create artificial, and in particular, non-Abelian gauge potentials for ultracold atoms trapped in optical lattices. Motivated by this fact…
Symmetry Classes in Graphene Quantum Dots: Universal Spectral Statistics, Weak Localization, and Conductance Fluctuations
J. Wurm, A. Rycerz, I. Adagideli +3
We study the symmetry classes of graphene quantum dots, both open and closed, through the conductance and energy level statistics. For abrupt termination of the lattice, these prop…
Ultracold atomic gas in non-Abelian "magnetic" fields: the quantum Hall effect supremacy
N. Goldman, A. Kubasiak, P. Gaspard +1
Nowadays it is experimentally feasible to create artificial, and in particular, non-Abelian gauge potentials for ultracold atoms trapped in optical lattices. Motivated by this fact…
Nonequilibrium valley polarization in graphene nanoconstrictions
Adam Rycerz
We recently shown, using tight-binding calculations, that nonequilibrium valley polarization can be realized in graphene, when the current is injected through "valley filter": a ba…