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