QCD Phase Transition at high Temperature in Cosmology

Details QCD Phase Transition at high Temperature in Cosmology QCD Phase Transition at high Temperature in Cosmology

1996-08-15

arxiv.org/abs/hep-ph/9608333v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented by H. Suganuma at XIV International Conference on 'Particles and Nuclei (PANIC96)', 22-28 May 1996 in Williamsb

Scientific paper

The cosmological QCD phase transition is studied in terms of the color confinement at finite temperature using the dual Higgs theory of QCD. The confinement force is largely reduced at high temperature, which leads to the swelling of hadrons. We derive analytical formulae for the surface tension and the boundary thickness of the mixed phase from the effective potential at $T_c$. We predict a large reduction of the glueball mass near $T_c$. We investigate also the process of the hadron-bubble formation in the early Universe.

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