We show a practical way based on the Källén-Lehmann representation for the two-point functions to eliminate the instability of the vacuum against formation of small sized meson configurations in the chiral σ model.
Physical Review C
- Pub Date:
- December 1994
- Phenomenological quark models;
- Relativistic models;
- High Energy Physics - Phenomenology
- 14 pages, Latex, figures available upon request, submitted to Phys.Rev. C#