527 citations · 6.4k across the 130 of their papers we have counts for
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Spectrum of the Dirac Hamiltonian with the mass-hedgehog in arbitrary dimension
Igor F. Herbut, Chi-Ken Lu
It is shown that the square of the Dirac Hamiltonian with the isotropic mass-hedgehog potential in d dimensions is the number operator of fictitious bosons and fermions over d quan…
Conductivity of interacting massless Dirac particles in graphene: Collisionless regime
Vladimir Juricic, Oskar Vafek, Igor F. Herbut
We provide detailed calculation of the a.c. conductivity in the case of 1/r-Coulomb interacting massless Dirac particles in graphene in the collisionless limit when ω>> T. The anal…
Pairing symmetry and vortex zero-mode for superconducting Dirac fermions
Chi-Ken Lu, Igor F. Herbut
We study the vortex zero-energy bound states in presence of pairing among the low-energy Dirac fermions on the surface of a topological insulator. The pairing symmetries considered…
Antilinear spectral symmetry and the vortex zero-modes in topological insulators and graphene
Igor F. Herbut, Chi-Ken Lu
We construct the general extension of the four-dimensional Jackiw-Rossi-Dirac Hamiltonian that preserves the antilinear reflection symmetry between the positive and negative energy…
Unconventional superconductivity on honeycomb lattice: the theory of Kekule order parameter
Bitan Roy, Igor F. Herbut
A spatially non-uniform superconducting phase is proposed as the electronic variational ground state for the attractive interactions between nearest neighbors on graphene's honeyco…