On the Stability of Quark Solitons in QCD

Details On the Stability of Quark Solitons in QCD On the Stability of Quark Solitons in QCD

1995-07-03

arxiv.org/abs/hep-ph/9507206v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages (phyzzx macropackage)

Scientific paper

We critically re-examine our earlier derivation of the effective low energy action for QCD in 4 dimensions with chiral fields transforming non-trivially under both color and flavor, using the method of anomaly integration. We find several changes with respect to our previous results, leading to much more compact expressions, and making it easier to compare with results of other approaches to the same problem. With the amended effective action, we find that there are no stable soliton solutions. In the context of the quark soliton program, we interpret this as an indication that the full low-energy effective action must include additional terms, reflecting possible modifications at short distances and/or the non-trivial structure of the gauge fields in the vacuum, such as $ \neq 0$. Such terms are absent in the formalism based on anomaly integration.

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