Elimination of the Landau Ghost from Chiral Solitons

Details Elimination of the Landau Ghost from Chiral Solitons Elimination of the Landau Ghost from Chiral Solitons

1994-10-11

arxiv.org/abs/hep-ph/9410263v1

Phys.Rev.C50:3088-3093,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, Latex, figures available upon request, submitted to Phys.Rev. C#

Scientific paper

10.1103/PhysRevC.50.3088

We show a practical way based on the K\"{a}ll\'{e}n-Lehmann representation
for the two-point functions to eliminate the instability of the vacuum against
formation of small sized meson configurations in the chiral $\sigma$ model.

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