Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2000-06-22
Eur.Phys.J.A7:519-535,2000
Physics
Nuclear Physics
Nuclear Theory
39 pages, 2 Postscript figures, Latex
Scientific paper
10.1007/s100500050425
The Nambu-Jona-Lasinio model of the deuteron suggested by Nambu and Jona-Lasinio (Phys. Rev. 124 (1961) 246) is formulated from the first principles of QCD. The deuteron appears as a neutron-proton collective excitation, i.e. a Cooper np-pair, induced by a phenomenological local four-nucleon interaction in the nuclear phase of QCD. The model describes the deuteron coupled to itself, nucleons and other particles through one-nucleon loop exchanges providing a minimal transfer of nucleon flavours from initial to final nuclear states and accounting for contributions of nucleon-loop anomalies which are completely determined by one-nucleon loop diagrams. The dominance of contributions of nucleon-loop anomalies to effective Lagrangians of low-energy nuclear interactions is justified in the large N_C expansion, where N_C is the number of quark colours.
Faber Manfried
Ivanov Andrei N.
Oberhummer Heinz
Troitskaya Natalia I.
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