L. Vinet

most citedInhomogeneous SSH models and the doubling of orthogonal polynomials

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cond-mat.stat-mech2025

$s u (2)$ symmetry of XX spin chains

Nicolas Crampé, Rafael I. Nepomechie, Luc Vinet +1

We show that, after suitably adjusting a uniform transverse magnetic field, the generic inhomogeneous open XX spin chain has a two-fold degeneracy, and an exact $s u (2)$ symmetry wh…

su(2) symmetry of XX spin chains

$s u (2)$ symmetry of XX spin chains