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Type: Journal article
Title: The stability of nuclear matter in the Nambu-Jona-Lasinio model
Author: Bentz, W.
Thomas, A.
Citation: Nuclear Physics A, 2001; 696(01-Feb):138-172
Publisher: Elsevier Science BV
Issue Date: 2001
ISSN: 0375-9474
Statement of
W. Bentz, A. W. Thomas
Abstract: Using the Nambu-Jona-Lasinio model to describe the nucleon as a quark-diquark state, we discuss the stability of nuclear matter in a hybrid model for the ground state at finite nucleon density. It is shown that a simple extension of the model to simulate the effects of confinement leads to a scalar polarizability of the nucleon. This, in turn, leads to a less attractive effective interaction between the nucleons, helping to achieve saturation of the nuclear matter ground state. It is also pointed out that that the same effect naturally leads to a suppression of "Z-graph" contributions with increasing scalar potential. © 2001 Elsevier Science B.V.
DOI: 10.1016/S0375-9474(01)01119-8
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Special Research Centre for the Subatomic Structure of Matter publications

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