Discrete symmetries and S-matrix of the XXZ chain

Anastasia Doikou, Rafael I. Nepomechie

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

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.
Original languageEnglish
JournalJournal of Physics A: Mathematical and General
Volume31
Issue number37
DOIs
Publication statusPublished - 18 Sep 1998

Keywords

  • hep-th
  • nlin.SI
  • solv-int

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