Nontriviality of the Linear Sigma Model
L. R. Babukhadia, M. D. Scadron
Abstract
We consider techniques (based on an ultraviolet cutoff) used to prove that the pure boson (ϕ4)4 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.
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