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On σ-models with noncompact groups

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Abstract

Some comments have been made on σ-models associated with noncompact groups. A noncompact variant of the continuous classical Heisenberg spin chain is proposed and its equivalence with a nonlinear Schrödinger equation of a repulsive type is established. Some regular as well as singular soliton solutions are found for the proposed model.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, LCTA, Head Post Office, P.O. Box 79, Dubna, Moscow, USSR

    A. Kundu

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  1. A. Kundu
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Kundu, A. On σ-models with noncompact groups. Lett Math Phys 6, 479–485 (1982). https://doi.org/10.1007/BF00405869

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  • DOI: https://doi.org/10.1007/BF00405869

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