Bjorken expansion in the isotropic Kasner spacetime

Abstract

An isotropic expansion for the QGP is proposed in curved Kasner spacetime for an experimental configuration with three dimensional set of beams. The fluid of relativistic particles has no shear viscosity but the nonzero bulk viscosity $\zeta$ is time dependent and its value could explain the enormous entropy per baryon of our Universe. In addition, $\zeta$ equals the bulk viscosity of the anisotropic compressible fluid conjectured for the interior of a black hole.

5 pages, no figures, This paper received an Honorable Mention in the Annual Essay Competition of the Gravity Research Foundation for the year 2009; version published in Eur. Phys. J. Plus (2011) 126: 126

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Cited by in corpus (2)

• Non-Vacuum AdS Cosmologies and the Approach to Equilibrium of Entanglement Entropy
• Metric anisotropies and emergent anisotropic hydrodynamics