Boundary overlap in the open XXZ spin chain
Mathematical Physics
2025-01-22 v3 Statistical Mechanics
High Energy Physics - Theory
math.MP
Exactly Solvable and Integrable Systems
Abstract
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 magnetic field.
Keywords
Cite
@article{arxiv.2409.15194,
title = {Boundary overlap in the open XXZ spin chain},
author = {Charbel Abetian and Nikolai Kitanine and Veronique Terras},
journal= {arXiv preprint arXiv:2409.15194},
year = {2025}
}
Comments
30 pages SciPost submission, v3: minor changes following referee reports, appendix added