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Spherically symmetric dissipative anisotropic fluids: A general study by Herrera, L.; Di Prisco, A.; Martin, J.; Ospino, J.; Santos, N. O.; Troconis, O. is a scholarly article available to read on EtoBox.

What is Spherically symmetric dissipative anisotropic fluids: A general study about?

The full set of equations governing the evolution of self--gravitating spherically symmetric dissipative fluids with anisotropic stresses is deployed and used to carry out a general study on the behaviour of such systems, in the context of general relativity. Emphasis is given to the link between the Weyl tensor, the shear tensor, the anisotropy of the pressure and the density inhomogeneity. In particular we provide the general, necessary and sufficient, condition for the vanishing of the spatial gradients of energy density, which in turn suggests a possible definition of a gravitational arrow of time. Some solutions are also exhibited to illustrate the discussion.

Author

Herrera, L.; Di Prisco, A.; Martin, J.; Ospino, J.; Santos, N. O.; Troconis, O.

Published

2004

Language

EN