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cond-mat.str-el2023★ 27 cited
Adiabatic eigenstate deformations and weak integrability breaking of Heisenberg chain
Pavel Orlov, Anastasiia Tiutiakina, Rustem Sharipov +3
We consider the spin-1/2 XXX chain weakly perturbed away from integrability by an isotropic next-to-nearest neighbor exchange interaction. Recently, it was conjectured that this mo…
cond-mat.str-el2021★ 22 cited
Quasi-conserved charges in the perturbed spin-1/2 XXX model
Denis V. Kurlov, Savvas Malikis, Vladimir Gritsev
We consider the isotropic spin- Heisenberg spin chain weakly perturbed by a local translationally- and -invariant perturbation. Starting from the local integrals of mot…