2003 (IPP)

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    Effects of curvature and interactions on the dynamics of the deconfinement phase transition
    (2011-07-05) Chandra, Deepak; Goyal, Ashok
    We study the dynamics of first-order cofinement-deconfinement phase transition through nucleation of hadronic bubbles in an expanding quark gluon plasma in the context of heavy ion collisions for interacting quark and hadron gas and by incorporating the effects of curvature energy. We find that the interactions reduce the delay in the phase transition whereas the curvature energy has a mixed behavior. In contrast to the case of early Universe phase transition, here lower values of surface tension increase the supercooling and slow down the hadronization process. Higher values of bag pres- sure tend to speed up the transition. Another interesting feature is the start of the hadronization process as soon as the QGP is created.