Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-03-31
Phys.Lett. B357 (1995) 431-434
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages, Tex.
Scientific paper
10.1016/0370-2693(95)00924-A
Here we point out that the four-nucleon terms incorporate into lowest order non-linear chiral effective Lagrangians the same description of bulk nuclear matter contained in the Walecka model, that is generally considered satisfactory. We find this point worth noticing because, while the Walecka model is an entirely phenomenological renormalizable model, non-linear chiral Lagrangians have a deep basis in elementary particle physics, and, in this sense, are more fundamental.
Gelmini Graciela
Ritzi Bruce
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