Properties of predictive formulation of the Nambu-Jona-Lasinio model and ghost problem
High Energy Physics - Theory
2009-05-18 v2
Abstract
Recently proposed by Battistel et al. "predictive formulation of the NJL model" is discussed and its connection with the differential regularization is noted. The principal problem of this formulation is a non-physical singularity (Landau pole) in meson propagators. A modification of the formulation, which is free of the Landau pole and conserves main features of the approach, is proposed.
Keywords
Cite
@article{arxiv.0810.3364,
title = {Properties of predictive formulation of the Nambu-Jona-Lasinio model and ghost problem},
author = {V. E. Rochev},
journal= {arXiv preprint arXiv:0810.3364},
year = {2009}
}
Comments
Journal version (8 pages, no figures)