Dynamical Symmetry Breaking and Effective Lagrangians in U(n) Four-Fermion Models (n=2,3)

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dc.creatorKruglov, S. I.
dc.date2002-11-01
dc.date2003-05-28
dc.date.accessioned2026-07-07T03:48:25Z
dc.date.available2026-07-07T03:48:25Z
dc.descriptionThe formation of scalar condensates and dynamical symmetry breaking in the U(n) four-fermion models (for n=2,3) with two coupling constants has been studied by the functional integration method. The bosonization procedures of the models under consideration are performed in one loop approximation. The propagators of fermions, collective Bose-fields (bound states of fermions), as well as the mass formulas for the fermions and bosons, are found. It is shown that a self-consistent consideration of four-fermion models, in the framework of dimension regularization, provides the mass relations for fermions for the case $n\geq 3$. The effective Lagrangian of interacting scalar bosons is also derived for the case n=2.
dc.description16 pages, LaTeX, corrected typos in Eqs. (25), (30). Mass formulas were obtained here on the basis of the specific relation (constraint) between quadratic and logarithmic divergent integrals
dc.identifierhttps://arxiv.org/abs/hep-ph/0211006
dc.identifierhttp://arxiv.org/abs/hep-ph/0211006
dc.identifierHadronic J. 26 (2003) 425-440
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/41999
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.subjectNuclear Theory
dc.titleDynamical Symmetry Breaking and Effective Lagrangians in U(n) Four-Fermion Models (n=2,3)
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