Journal
PHYSICS LETTERS B
Volume 623, Issue 3-4, Pages 200-207Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2005.08.006
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We study the hydrodynamical expansion of a hot and baryon-dense quark fluid coupled to classical real-time evolution of the long wavelength modes of the chiral field. Significant density inhomogeneities develop dynamically when the transition to the symmetry-broken state occurs. We find that the amplitude of the density inhomogeneities is larger for expansion trajectories crossing the line of first-order transitions than for crossovers, which could provide some information on the location of a critical point. A few possible experimental signatures for inhomogeneous decoupling surfaces are mentioned briefly. (c) 2005 Elsevier B.V. All rights reserved.
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