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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Multiple superconducting phases observed in rhombohedral heptalayer graphene at low displacement fields, with one robust zero-resistance state arising from a half-metallic normal state.
Experimental discovery of a family of high-Chern-number orbital magnets in twisted (1+n) rhombohedral graphene with observed topological hierarchy C = n for n=3,4,5.
citing papers explorer
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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.
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Multiple Superconducting Phases in Rhombohedral Heptalayer Graphene
Multiple superconducting phases observed in rhombohedral heptalayer graphene at low displacement fields, with one robust zero-resistance state arising from a half-metallic normal state.
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Family of High-Chern-Number Orbital Magnets in Twisted Rhombohedral Graphene
Experimental discovery of a family of high-Chern-number orbital magnets in twisted (1+n) rhombohedral graphene with observed topological hierarchy C = n for n=3,4,5.