On the radial expansion of tubular structures in a quark gluon plasma

Details On the radial expansion of tubular structures in a quark gluon plasma On the radial expansion of tubular structures in a quark gluon plasma

2012-01-04

arxiv.org/abs/1201.0943v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

We study the radial expansion of cylindrical tubes in a hot QGP. These tubes are treated as perturbations in the energy density of the system which is formed in heavy ion collisions at RHIC and LHC. We start from the equations of relativistic hydrodynamics in two spatial dimensions and cylindrical symmetry and perform an expansion of these equations in a small parameter, conserving the non-linearity of the hydrodynamical formalism. We use the equation of state of the MIT bag model. We obtain a breaking wave equation for the energy density fluctuation, which is then solved numerically. We estimate the typical expansion time of the tubes.

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