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cond-mat.mes-hall2026
Light-Cone Friedel Oscillations: a Window into van Hove Superconductivity
Archisman Panigrahi, Vladislav Poliakov, Leonid Levitov
Van Hove (vH) singularities can enhance superconductivity by generating a large pairing susceptibility. Yet, it remains challenging to experimentally establish whether pairing real…
cond-mat.mes-hall2024
Spin chirality and fermion stirring in topological bands
Archisman Panigrahi, Vladislav Poliakov, Zhiyu Dong +1
We demonstrate that in metals, both normal and superconducting, orbital currents present in the ground state when time reversal symmetry (TRS) is broken, generate spin chirality. N…