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Interplay of superconductivity and spin density wave order in doped graphene
Rahul Nandkishore, Andrey V. Chubukov
We study the interplay between superconductivity and spin density wave order in graphene doped to 3/8 or 5/8 filling (a Van Hove doping). At this doping level, the system is known…
Prediction and description of a chiral pseudogap phase
Rahul Nandkishore
We point out that a system which supports chiral superconductivity should also support a chiral pseudogap phase: a finite temperature phase wherein superconductivity is lost but ti…
Broken translational symmetry in an emergent paramagnetic phase of graphene
Gia-Wei Chern, Rafael M. Fernandes, Rahul Nandkishore +1
We show that the spin-density wave state on the partially filled honeycomb and triangular lattices is preempted by a paramagnetic phase that breaks an emergent Z_4 symmetry of the…
Itinerant half-metal spin-density-wave state on the hexagonal lattice
Rahul Nandkishore, Gia-Wei Chern, Andrey V. Chubukov
We consider electrons on a honeycomb or triangular lattice doped to the saddle point of the bandstructure. We assume system parameters are such that spin density wave (SDW) order e…
Orthogonal Metals: The simplest non-Fermi liquids
Rahul Nandkishore, Max A. Metlitski, T. Senthil
We present a fractionalized metallic phase which is indistinguishable from the Fermi liquid in conductivity and thermodynamics, but is sharply distinct in one electron properties,…