Non-uniform Berry curvature in parent Chern bands induces momentum-space vortices in the chiral superconducting gap function, with the parent Chern number constraining vortex count independently of model details.
SinceD N(k) is positive semidefinite, its zero modes satisfy DN(k)|s 0k⟩= 0.(A24) Thus|s 0k⟩is an eigenstate ofH λN (k) with energyϵ 0k, which we are free to choose
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Chiral superconductors from parent states with non-uniform Berry curvature: Momentum-space vortices, BdG topology, and thermal Hall conductivity
Non-uniform Berry curvature in parent Chern bands induces momentum-space vortices in the chiral superconducting gap function, with the parent Chern number constraining vortex count independently of model details.