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Quantum integrability of sigma models on AII and CII symmetric spaces

Authors
  • Babichenko, A
Publication Date
Nov 13, 2002
Identifiers
DOI: 10.1016/S0370-2693(02)03268-9
OAI: oai:cds.cern.ch:591487
Source
CERN Document Server
Keywords
Language
English
License
Unknown
External links

Abstract

Exact massive S-matrices for two dimensional sigma models on the symmetric spaces SU(2N)/Sp(N) and Sp(2N)/Sp(N)*Sp(N) are conjectured. They are checked by comparison of perturbative and non perturbative TBA calculations of the free energy in a strong external field. We find mass spectrum of the models and calculate their exact mass gap.

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