Absence of Local Conserved Quantity in the Heisenberg Model with Next-Nearest-Neighbor Interaction
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DOI: 10.1007/s10955-024-03326-4
Abstract: We rigorously prove that the S=1/2\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$S=1/2$$\end{document} anisotropic Heisenberg chain (XYZ chain) with next-nearest-neighbor interaction, which is anticipated to be non-integrable, is indeed non-integrable in the sense… read more here.
Keywords: conserved quantity; nearest neighbor; next nearest; local conserved ... See more keywords