Dynamical symmetry breaking in the gauged Nambu-Jona-Lasinio model

Details Dynamical symmetry breaking in the gauged Nambu-Jona-Lasinio model Dynamical symmetry breaking in the gauged Nambu-Jona-Lasinio model

1999-06-04

arxiv.org/abs/hep-th/9906034v1

Physics

High Energy Physics

High Energy Physics - Theory

Ph.D. Thesis, University of Groningen, 199 pages, figures included, LaTeX (BibTeX)

Scientific paper

The mechanism of dynamical chiral symmetry breaking is studied in the Abelian version of the gauged Nambu-Jona-Lasinio model in four dimensions. The most interesting feature of the gauged Nambu-Jona-Lasinio model is the appearance of relevant (renormalizable) four-fermion interactions near a critical curve separating a chiral symmetric and a dynamically chiral symmetry broken phase. The first three chapters of the thesis are introductory. Chapter 4 is based on hep-th/9712123. In an attempt to go beyond standard mean field approximations for four-fermion interactions, the 1/N expansion is utilized in chapter 5. Within the 1/N expansion, where N is the number of fermion flavors, it is shown that the renormalization group beta function of the U(1) gauge coupling has ultra-violet stable fixed points for sufficiently large N. This implies that the gauged Nambu-Jona-Lasinio model is a rare example of a nontrivial nonasymptotically free gauge field theory in four dimensions.

Affiliated with

Also associated with

No associations

Rating

Dynamical symmetry breaking in the gauged Nambu-Jona-Lasinio model does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Dynamical symmetry breaking in the gauged Nambu-Jona-Lasinio model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamical symmetry breaking in the gauged Nambu-Jona-Lasinio model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-127046