Instanton-inspired Model of QCD Phase Transition and Bubble Dynamics

Details Instanton-inspired Model of QCD Phase Transition and Bubble Dynamics Instanton-inspired Model of QCD Phase Transition and Bubble Dynamics

2005-12-23

arxiv.org/abs/hep-ph/0512314v1

Phys.Rev. D73 (2006) 085003

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 32 figures

Scientific paper

10.1103/PhysRevD.73.085003

We have reinvestigated the collision of gluonic bubbles in a SU(2) model of QCD which was studied by Johnson, Choi and Kisslinger in the context of the instanton-inspired model of QCD phase transition bubbles with plane wave approximation. We discuss treacherous points of the instanton-inspired model that cause the violation of causality due to the presence of imaginary gluon fields. By constructing a new slightly modified Lorentzian model where we have three independent real gluon fields, we reanalyzed the process of bubble collisions. Our numerical results show some indication of forming a bubble wall in colliding region.

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