One-particle excitations and bound states in non-relativistic current $\times$ current model

Details One-particle excitations and bound states in non-relativistic current $\times$ current model One-particle excitations and bound states in non-relativistic current $\times$ current model

1995-08-18

arxiv.org/abs/quant-ph/9508017v1

Physics

Quantum Physics

28 pages, one table

Scientific paper

Vacuum structure, one-particle excitations' spectra and bound states of these excitations are studied in frame of non-relativistic quantum field model with current $\times$ current type interaction. Hidden symmetry of the model is found. It could be broken or exact depending on the coupling constant value. The effect of "piercing" vacuum , generating the appearance of heavy fermionic excitations, could occur in the spontaneously broken phase.

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