Multiple relaxation times in perturbed XXZ chain

Multiple relaxation times in perturbed XXZ chain

We study numerically the relaxation of correlation functions in weakly perturbed integrable XXZ chain. While the decay of spin-current and energy-current correlations at zero magnetization are well described by single, but quite distinct, relaxation rates governed by the square of the perturbation s...

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Bibliographic Details
Main Author: M. Mierzejewski, J. Pawłowski, P. Prelovšek, J. Herbrych
Format: Article
Language:English
Published: SciPost 2022-08-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.13.2.013

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