Mean-field theory on a quartic-dispersion Chern band for rhombohedral graphene yields a chiral topological superconductor that transitions to a trivial BEC at T=0; the composite-fermion version realizes a Moore-Read state.
2023.arXiv preprint arXiv:2303.00742
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In the γ-model with singular interaction Γ(Ω) ∝ 1/|Ω|^γ, superconductivity emerges above a threshold with non-BCS origin and the T=0 gap equation admits an infinite set of topologically distinct solutions that vanish when the interaction becomes non-singular.
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Chiral superconductivity from parent Chern band and its non-Abelian generalization
Mean-field theory on a quartic-dispersion Chern band for rhombohedral graphene yields a chiral topological superconductor that transitions to a trivial BEC at T=0; the composite-fermion version realizes a Moore-Read state.
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Non-BCS Pairing by a Singular Dynamical Interaction
In the γ-model with singular interaction Γ(Ω) ∝ 1/|Ω|^γ, superconductivity emerges above a threshold with non-BCS origin and the T=0 gap equation admits an infinite set of topologically distinct solutions that vanish when the interaction becomes non-singular.