First Order Quark-Gluon/Hadron Transition May Affect Cosmological Nucleosynthesis

Abstract

In the model of a first order quark-gluon/hadron phase transition in which the hadronic phase is considered as vacuum bubbles growing in the quark-gluon background with chiral symmetry broken inside the bubble, we find the estimate for the length scale associated with inhomogeneities originated during the transition, 10 m \;< < 40 m, being sufficient to produce significant effects on cosmological nucleosynthesis.

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