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Coupling constant dependence in a special model of nonlinear field theory with internal symmetry

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Czechoslovak Journal of Physics B Aims and scope

Abstract

Localized excitations in the form of solitary waves of the Klein-Gordon-equation with cubic nonlinearity in one space and time dimension are studied and the observable physical quantities are investigated with respect to their dependence on the coupling constant. A complete and consistent calculation is possible by imposing an U(1)-symmetry, i.e. using complex fields. Two dispersion branches occur, where the corresponding energies are regular in one and highly singular in the other case.

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References

  1. Scott A. C., Chu F., McLaughlin D. W.: Proc. IEEE61 (1973) 1443.

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  2. Möbius P.:in Modern Trends in Solid State Theory, (ed. U. Linder), Leipzig, 1981; Makhankov V. G.: Phys. Rep.35 (1978) 1.

  3. Makhankov V. G., Shvachka A. B.: Dubna preprint E2-80-587 (1980), P2-13041 (1980).

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  1. Sektion Physik, Technische Universität, 8020, Dresden, DDR

    P. Möbius

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  1. P. Möbius
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Möbius, P. Coupling constant dependence in a special model of nonlinear field theory with internal symmetry. Czech J Phys 32, 664–667 (1982). https://doi.org/10.1007/BF01596713

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  • DOI: https://doi.org/10.1007/BF01596713

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