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Ming-Chen Zheng

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Preprint Sep 2026

Exact solutions of hidden free fermion models

Hidden-free-fermion (HFF) Hamiltonians exhibit free-fermion spectra despite lacking an explicit quadratic representation, yet their algebraic provenance and periodic-boundary behavior remain open questions. Here we establish that a broad class of HFF models arises from distinct Lax operator realizations of a twisted mu...

Ming-Chen Zheng, B. Pozsgay, Shu Chen · 0 citations

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