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Application of the heat-kernel method to the constituent quark model at finite temperature

✍ Scribed by Bernd-Jochen Schaefer; Hans-Jürgen Pirner

Book ID
104336638
Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
643 KB
Volume
627
Category
Article
ISSN
0375-9474

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✦ Synopsis

The heat-kernel method is applied to the constituent quark model. We calculate the effect of thermal quark fluctuations on the meson action and the resulting quark condensate and 7rrrscattering amplitude at finite temperature. The quarks produce a chiral phase transition only by their effect on the mesonic coupling constants. The s-wave isospin zero ~wr-scattering amplitude diverges near the phase transition showing the necessity for a more sophisticated treatment of meson fluctuations. @ 1997 Elsevier Science B.V.

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