Discrete symmetries andS-matrix of theXXZchain
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Publication:4259733
DOI10.1088/0305-4470/31/37/001zbMATH Open0953.82012arXivhep-th/9808012OpenAlexW2036154155WikidataQ58203015 ScholiaQ58203015MaRDI QIDQ4259733
Author name not available (Why is that?)
Publication date: 30 August 1999
Published in: (Search for Journal in Brave)
Abstract: We formulate the notion of parity for the periodic XXZ spin chain within the Quantum Inverse Scattering Method. We also propose an expression for the eigenvalues of the charge conjugation operator. We use these discrete symmetries to help classify low-lying S^z=0 states in the critical regime, and we give a direct computation of the S matrix.
Full work available at URL: https://arxiv.org/abs/hep-th/9808012
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