Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-04-13
Braz.J.Phys.37:605-608,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 3 figures. To appear in the proceedings of I Latin American Workshop on High Energy Phenomenology (LAWHEP 2005), Port
Scientific paper
10.1590/S0103-97332007000400022
We investigate the effects of dissipation in the deconfinement transition for pure SU(2) and SU(3) gauge theories. Using an effective theory for the order parameter, we study its Langevin evolution numerically. Noise effects are included for the case of SU(2). We find that both dissipation and noise have dramatic effects on the spinodal decomposition of the order parameter and delay considerably its thermalization. For SU(3) the effects of dissipation are even larger than for SU(2).
Fraga Eduardo S.
Krein Gastao
Mizher Ana Júlia
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