The Nambu-Jona-Lasinio Model at O(1/N^2)

Abstract

We write down the anomalous dimensions of the fields of the Nambu--Jona-Lasinio model or chiral Gross Neveu model with a continuous global chiral symmetry for the two cases $U(1)$ $\times$ $U(1)$ and $SU(M)$ $\times$ $SU(M)$ at $O(1/N^2)$ in a $1/N$ expansion.

9 latex pages, 4 figures (available on request from the author), LTH-308, (2 eqns corrected)

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