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Quantum integrability of sigma models on AII and CII symmetric spaces

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Published Article
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Submission Date
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DOI: 10.1016/S0370-2693(02)03268-9
arXiv ID: hep-th/0211114
Source
arXiv
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Abstract

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

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