Abstract
The hadronization mechanism of flux tubes which may be created in relativistic heavy ion collisions is studied by introducing the concept of an intermediate mixed state in which fragmented flux tubes coexist with a dilute hadron gas. In the thermodynamic limit, this state can be considered a color dielectric medium characterized by a color dielectric constant which takes values between 0 and 1. The electrohydrodynamics formulated previously to describe plasma formation by the decay of a strong color electric field in the flux tube is extended to incorporate such a dielectric nature of transient hadronic matter using the bag model. It is shown that in the limit of the large bag constant our formalism is reduced to the hydrodynamics of the hadron gas produced by the fragmentation of multiple strings. We present a numerical simulation of one-dimensional longitudinal evolution of the system which demonstrates the characteristic reheating effect due to the hadronization transition.
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