Boundary overlap in the open XXZ spin chain

Boundary overlap in the open XXZ spin chain

In this paper we compute the overlaps of the ground states for the open spin chains after a change of one of the boundary magnetic fields. It can be considered as the first step toward the study of the boundary quench problem: behaviour of an open spin chain after an abrupt change of one boundary ma...

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Bibliographic Details
Main Author: Charbel Abetian, Nikolai Kitanine, Veronique Terras
Format: Article
Language:English
Published: SciPost 2025-01-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.18.1.026
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