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.
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Excitons between moiré flat Chern bands acquire giant helical dipoles from Berry curvature, with displacement field driving a Frenkel-Wannier transition and formation of quadrupolar biexcitons.
Counterflow conductivity in magnetoexciton bands serves as a tunable probe of the quantum geometric dipole carried by interlayer excitons.
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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.