NDLI: Kerr-Newman-dS/AdS solution and anti-evaporation in higher-order torsion scalar gravity theories

Content Provider	Springer Nature Link
Author	Nashed, Gamal G.L.
Copyright Year	2016
Abstract	We derive a null tetrad from axially-symmetric vierbein field. The $f(T)$ -Maxwell field equations with cosmological constant, where T is the scalar torsion, are applied to the null tetrad. An exact non-vacuum solution having three constants of integration is derived which is a solution to the f (T) -Maxwell field equations provided that $f(T)=T_{0}$ and $ f_{T}=\frac{d f(T)}{d T}=1$ , where $ T_{0}$ is a constant. The scalar torsion related to this solution is constant, i.e., $ T=T_{0}$ , and differs from the classical general relativity when $ f(T)\neq T_{0}$ . We study the singularities of this solution using curvature and torsion invariants. We consider a slow rotation and show that the derived solution behaves asymptotically as de Sitter spacetime and display the existence of Nariai spacetime as a background solution. We assume a perturbation of Nariai spacetime till the first order and investigate the behavior of the black hole horizon. Finally, we explain that the anti-evaporation occurs on the classical level in the f (T) gravitational theories.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
Journal	The European Physical Journal Plus
Volume Number	131
Issue Number	3
e-ISSN	21905444
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-03-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Applied and Technical Physics Theoretical, Mathematical and Computational Physics Statistical Physics, Dynamical Systems and Complexity Condensed Matter Physics Atomic, Molecular, Optical and Plasma Physics
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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