Holographic mean-field theory produces a quantized half-integer Chern number for one fermion flavor and integer Chern numbers for two flavors, robust to temperature and interaction strength.
Photoemission "experiments" on holographic superconductors
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abstract
We study the effects of a superconducting condensate on holographic Fermi surfaces. With a suitable coupling between the fermion and the condensate, there are stable quasiparticles with a gap. We find some similarities with the phenomenology of the cuprates: in systems whose normal state is a non-Fermi liquid with no stable quasiparticles, a stable quasiparticle peak appears in the condensed phase.
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Topology in Holographic Mean-Field Theory at Zero and Finite Temperature
Holographic mean-field theory produces a quantized half-integer Chern number for one fermion flavor and integer Chern numbers for two flavors, robust to temperature and interaction strength.