Variational path-integral approach to back-reactions of composite mesons in the Nambu–Jona-Lasinio model
For the investigation of back-reactions of composite mesons in the NJL model, a variational path-integral treatment is formulated which yields an effective action Aeff[Dσ,Dπ;S], depending on the propagators Dσ, Dπ of σ− and π−mesons and on the full quark propagator S. The stationarity conditions δAe...
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| Main Authors: | , |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
Elsevier
2017-08-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321317302080 |
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