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Phase transition and 1/N expansion in (2+1)-dimensional supersymmetric sigma models

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Abstract

Three-dimensional supersymmetric generalized non-linear sigma models are shown to exhibit second-order phase transition due to spontaneous breakdown of the internal symmetry below a critical value of the coupling constant. Supersymmetry remains unbroken in both phases. Supergraph diagram technique of the corresponding 1/N expansion and the particle spectrum are derived.

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Authors and Affiliations

  1. Institute of Nuclear Research and Nuclear Energy, 1184, Sofia, Bulgaria

    E. R. Nissimov & S. J. Pacheva

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  1. E. R. Nissimov
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  2. S. J. Pacheva
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Nissimov, E.R., Pacheva, S.J. Phase transition and 1/N expansion in (2+1)-dimensional supersymmetric sigma models. Lett Math Phys 5, 67–74 (1981). https://doi.org/10.1007/BF00401829

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  • DOI: https://doi.org/10.1007/BF00401829

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