Free energy of spherical QCD bubbles

Details Free energy of spherical QCD bubbles Free energy of spherical QCD bubbles

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..47.3079k&link_type=abstract

Physical Review D (Particles and Fields), Volume 47, Issue 7, 1 April 1993, pp.3079-3082

Mathematics

Logic

6

Quark-Gluon Plasma, Lattice Qcd Calculations, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We discuss the free energy of spherical bubbles of hadronic (quark-gluon plasma) matter in metastable equilibrium in a quark-gluon plasma (hadronic matter) at a fixed temperature TTc). We derive an expression for the effective interface tension written in terms of the bubble's radius R, namely, α(R)=α(∞)/[1+2d/R], where d is a parameter related to the surface entropy of a planar interface. We argue that this formula should be valid in the case of expanding macroscopic bubbles as well. We also estimate the value of the contribution of curvature to the free energy and explore the consequences of such a radius dependence on the dynamics of the cosmological phase transition.

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