Phase transition of a finite quark-gluon plasma

  • The deconfinement transition region between hadronic matter and quark-gluon plasma is studied for finite volumes. Assuming simple model equations of state and a first order phase transition, we find that fluctuations in finite volumes hinder a sharp separation between the two phases around the critical temperature, leading to a rounding of the phase transition. For reaction volumes expected in heavy ion experiments, the softening of the equation of state is reduced considerably. This is especially true when the requirement of exact color-singletness is included in the QGP equation of state.

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Author:Christian Spieles, Horst StöckerORCiDGND, Carsten GreinerGND
Document Type:Preprint
Date of Publication (online):2005/12/21
Year of first Publication:1997
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/12/21
Tag:Phasenübergang; Quark-Gluon-Plasma; Zustandsgleichung
equation of state; phase transition; quark-gluon plasma
Source:Phys.Rev.C57:908-915, 1998
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht