Mesonic fluctuations in a nonlocal Nambu
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Robert S. Plant; Michael C. Birse
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Article
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2002
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Elsevier Science
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English
β 244 KB
The effects of meson fluctuations are studied in a nonlocal generalization of the Nambu-Jona-Lasinio model, by including terms of next-to-leading order (NLO) in 1/N c . In the model with only scalar and pseudoscalar interactions NLO contributions to the quark condensate are found to be very small. T