Compositeness Condition at the Next-to-Leading Order in the Nambu-Jona-Lasinio Model
Keiichi Akama
Abstract
We investigate the compositeness condition in four dimensions at the non-trivial order (next-to-leading order in 1/N with the number N of the colors), taking the Nambu-Jona-Lasinio model as an example. In spite of its non-renormalizability, the compositeness condition can be successfully derived and solved in compact forms. The resultant problems are discussed.
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