Hydrodynamical Evolution of a Quark-Gluon Plasma Drop With Boundary
S. P. Baranov, L. V. Fil'kov, N. A. Loktionova
Abstract
We consider the evolution of a spherically symmetric Quark-Gluon Plasma (QGP) drop with limited size in the framework of relativistic hydrodynamics. In the presence of the boundary, the expanding and cooling of QGP drop may appear as oscillating processes, which realize via multiple traveling of rarefaction and compression waves through the plasma and lead to increasing of plasma life-time. Within this picture, deflagration is the main possible way of hadronization. The slow cooling mechanism also leads to a significant enhancement of photon yield in comparison with Bjorken scenario.
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