Nontriviality of the linear sigma model
L.R. Babukhadia - M.D. Scadron
Physics Department, University of Arizona, Tucson, AZ 85721, USA
Received: 9 November 1998 / Published online: 11 March 1999
We consider techniques (based on an ultraviolet cutoff) used to prove that the pure boson ( field theory is trivial and apply them instead to the dynamically generated quark-level linear sigma model. This cutoff approach leads to the conclusion that the latter field theory is in fact nontrivial.