Domain wall problem in the quantum XXZ chain and semiclassical behavior close to the isotropic point

Domain wall problem in the quantum XXZ chain and semiclassical behavior close to the isotropic point

We study the dynamics of a spin-1/2 XXZ chain which is initially prepared in a domain-wall state. We compare the results of time-dependent Density Matrix Renormalization Group simulations with those of an effective description in terms of a classical anisotropic Landau-Lifshitz (LL) equation. Num...

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Bibliographic Details
Main Author: Grégoire Misguich, Nicolas Pavloff, Vincent Pasquier
Format: Article
Language:English
Published: SciPost 2019-08-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.7.2.025

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