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Bound states in nonrelativistic four-fermion interaction model

High Energy Physics - Theory 2007-05-23 v1

Abstract

The bound states of two particles are studied in frames of non-relativistic quantum field model with current ×\times current type interaction by analyzing the Bethe-Salpeter amplitudes. The Bethe-Salpeter equations are obtained in closed form. The existence of Goldstone mode corresponding to the spontaneous breaking of additional SU(2) symmetry of the model is revealed.

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Cite

@article{arxiv.hep-th/9604190,
  title  = {Bound states in nonrelativistic four-fermion interaction model},
  author = {A. V. Sinitskaya and E. V. Pavlova},
  journal= {arXiv preprint arXiv:hep-th/9604190},
  year   = {2007}
}

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9 pages