Free-fermionic and free-parafermionic multispin quantum chains with nonhomogeneous interacting ranges
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A large family of multispin interacting one-dimensional quantum spin models with Z(N) symmetry and a free-particle eigenspectra are known in the literature. They are free-fermionic (N=2) and free-parafermionic (N≥2) quantum chains. The essential ingredient th... ...
