Abstract
We study the dynamical appearance of scaling solutions in relativistic hydrodynamics. The phase transition effects are included through the temperature dependent sound velocity. If a pre-equilibrium transverse flow is included in the initial conditions, then it may reach the form of the asymptotic Hubble flow, r/t, in short evolution times, 7–15 fm. The numerical solutions are found to support the freeze-out models (Blast-Wave, Buda-Lund, Cracow).
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Chojnacki, M. Hubble-like flows in relativistic heavy-ion collisions. Acta Phys. Hung. A 27, 331–334 (2006). https://doi.org/10.1556/APH.27.2006.2-3.33
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DOI: https://doi.org/10.1556/APH.27.2006.2-3.33