Effects from inhomogeneities in the chiral transition

Details Effects from inhomogeneities in the chiral transition Effects from inhomogeneities in the chiral transition

2006-04-04

arxiv.org/abs/hep-ph/0604036v2

Phys.Rev. D74 (2006) 085013

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 5 figures. v2: appendix and references added, published version

Scientific paper

10.1103/PhysRevD.74.085013

We consider an approximation procedure to evaluate the finite-temperature one-loop fermionic density in the presence of a chiral background field which systematically incorporates effects from inhomogeneities in the chiral field through a derivative expansion. We apply the method to the case of a simple low-energy effective chiral model which is commonly used in the study of the chiral phase transition, the linear sigma-model coupled to quarks. The modifications in the effective potential and their consequences for the bubble nucleation process are discussed.

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