most citedQuasi-conserved charges in the perturbed spin-1/2 XXX model

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cond-mat.stat-mech2020★ 5 cited

Quasi-conserved quantities in the perturbed XXX spin chain

Savvas Malikis, Denis Kurlov, Vladimir Gritsev

We consider the isotropic spin-1/2 Heisenberg spin chain weakly perturbed by a local translationally- and SU(2)-invariant perturbation. Starting from the local integrals of motion…