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Showing 2012 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2012★ 90 cited
Quantum superconducting criticality in graphene and topological insulators
Bitan Roy, Vladimir Juricic, Igor F. Herbut
The field theory of the semimetal-superconductor quantum phase transition for graphene and surface states of topological insulators is presented. The Lagrangian possesses the globa…
cond-mat.str-el2012★ 9 cited
Conserved charges of order-parameter textures in Dirac systems
Igor F. Herbut, Chi-Ken Lu, Bitan Roy
A simple expression for the induced fermion current in the presence of a texture in mass-order-parameters in two-dimensional condensed-matter Dirac systems is derived using the rep…
cond-mat.str-el2012★ 24 cited
Zero modes and charged Skyrmions in graphene bilayer
Chi-Ken Lu, Igor F. Herbut
We show that the electric charge of the Skyrmion in the vector order parameters that characterize the quantum anomalous spin Hall state and the layer-antiferromagnet in a graphene…