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1 paper

cond-mat.str-el2025

Proof that Momentum Mixing Hatsugai Kohmoto equals the Twisted Hubbard Model

Yuting Bai, Philip W. Phillips

We prove formally that the momentum-mixing Hatsugai-Kohmoto model (MMHK) is the Hubbard model with a twist. With this result in tow, we rely on the proof of Watanabe's that two mod…