The Nambu-Jona-Lasinio Chiral Soliton with Constrained Baryon Number

Details The Nambu-Jona-Lasinio Chiral Soliton with Constrained Baryon Number The Nambu-Jona-Lasinio Chiral Soliton with Constrained Baryon Number

1993-06-23

arxiv.org/abs/hep-ph/9306305v1

Phys.Lett.B315:6-11,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 LaTeX pages 4 figures, report no UNITU-THEP-7/1993

Scientific paper

10.1016/0370-2693(93)90149-C

A regularization for the baryon number consistent with the energy in the Nambu-Jona-Lasinio model is introduced. The soliton solution is constructed with the regularized baryon number constrained to unity. It is furthermore demonstrated that this constraint prevents the soliton from collapsing when scalar fields are allowed to be space dependent. In this scheme the scalar fields actually vanish at the origin reflecting a partial restoration of chiral symmetry. Also the influence of this constraint on some static properties of baryons is discussed.

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