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High Energy Physics - Theory

arXiv:0711.0062 (hep-th)
[Submitted on 1 Nov 2007 (v1), last revised 31 Jan 2008 (this version, v3)]

Title:Anisotropic fluid with time dependent viscosity coefficients

Authors:Hristu Culetu
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Abstract: A spacetime endowed with an anisotropic fluid is proposed for the interior of a Schwarzschild black hole. The geometry has an instantaneous Minkowski form and is a solution of Einstein's equations with a stress tensor on the r.h.s. obeying all the energy conditions.
The interior fluid is compressible, with time dependent shear and bulk viscosity coefficients. The energy density $\rho$ and the ''radial'' pressure $p$ observe the equation of state $p + \rho = 0$ (as for dark energy), with no pressures on $\theta-$ and $\phi-$ directions. However, the angular components of the viscous part of the stress tensor are nonvanishing and equals the energy density of the fluid.
Comments: 7 pages, title changed, references added, no figures
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:0711.0062 [hep-th]
  (or arXiv:0711.0062v3 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.0711.0062

Submission history

From: Hristu Culetu [view email]
[v1] Thu, 1 Nov 2007 12:22:50 UTC (6 KB)
[v2] Fri, 4 Jan 2008 16:23:28 UTC (6 KB)
[v3] Thu, 31 Jan 2008 17:35:19 UTC (7 KB)
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