Mesonic fluctuations in a nonlocal Nambu
✍
Robert S. Plant; Michael C. Birse
📂
Article
📅
2002
🏛
Elsevier Science
🌐
English
⚖ 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