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Paper   IPM / Physic / 6943
School of Physics
  Title:   Soliton Decay in Coupled System of Scalar Fields
1.  N. Riazi
2.  A. Azizi
3.  S.M. Zebarjad
  Status:   Published
  Journal: Phys. Rev. D
  No.:  50
  Vol.:  66
  Year:  2002
  Pages:   065003
  Supported by:  IPM
A system of coupled scalar fields is introduced which possesses a spectrum of massive single-soliton solutions. Some of these solutions are unstable and decay into lower mass stable solitons. Some properties of the solutions are obtained using general principles including conservations of energy and topological charges. Rest energies are calculated via a variational scheme, and the dynamics of the coupled fields are obtained by solving the field equations numerically.

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