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cond-mat.str-el2026
Re-entrant p-wave superconductivity in a Chern Dartboard Insulator
Yueyang Wu, Rebecca Chan, Taylor L. Hughes +1
We formulate an exact theory for a 2-band superconductor with inter-orbital pairing and band Hatsugai-Kohmoto (HK) interactions. We apply this theory to a Chern dartboard insulator…
cond-mat.str-el2026
Green-function Zeros Encode Competing Mott and Charge-ordering Scales
Peizhi Mai, Philip W. Phillips
While correlated insulators are devoid of low-energy quasiparticle poles, their Green functions retain clean momentum structure through zeros. However, precisely what zeros imply i…
cond-mat.str-el2026
Transport and Temperature: Exact spectrum and Drude weight for the one-dimensional infinite- Hubbard model
Shuo Liu, Yuhao Ma, Hitesh J. Changlani +2
Understanding charge transport in strongly correlated systems remains a central challenge in condensed matter physics, while exact analytical results for finite-temperature transpo…