Charged black hole in the presence of dark energy - INSPIRE

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Charged black hole in the presence of dark energy

2016

5 pages

Part of Proceedings, National Conference on Current Issues in Cosmology, Astrophysics and High Energy Physics (CICAHEP) : Dibrugarh, India, November 2-5, 2015, 41-45

Contribution to:

- CICAHEP
, 41-45

Published: 2016 in Dibrugarh, India by Dibrugarh Univ.

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Abstract: (Grobid)

We discuss exact solutions of Einstein's field equations describing the chargedSchwarzschild black hole in two different dark energy backgrounds. These areregarded as embedded solutions that the charged Schwarzschild black hole isembedded into the dark energy spaces producing charged Schwarzschild-dark energyblack holes, as Reissner-Nordstrom-dark energy black holes. Here we consider thedark energy solutions having the equation of state parameter w = −1/2. It isfound that the space-time geometry of solution is non-vacuum Petrov type D inthe classification of space-times. We study the strong energy conditions for theenergy-momentum tensors of the Reissner-Nordstrom-dark energy solution, whichcan be able to explain the different between the repulsive gravitational fieldfor dark energy as well as the attractive gravitational field for normal matterlike electromagnetic field. It is also shown that the metric tensor for theReissner-Nordstrom-dark energy solution can be expressed in two different Kerr-Schild ansatze establishing the fact that the embedded dark energy solution isan exact solution of Einstein's field equations.

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