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  Gauge-invariant perturbations of Schwarzschild spacetime

Shah, A. G., Whiting, B. F., Aksteiner, S., Andersson, L., & Bäckdahl, T. (in preparation). Gauge-invariant perturbations of Schwarzschild spacetime.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-5877-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-5878-4
Genre: Paper

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1611.08291.pdf (Preprint), 241KB
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 Creators:
Shah, Abhay G., Author
Whiting, Bernard F., Author
Aksteiner, Steffen, Author
Andersson, Lars1, Author              
Bäckdahl, Thomas1, Author              
Affiliations:
1Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24012              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We study perturbations of Schwarzschild spacetime in a coordinate-free, covariant form. The GHP formulation, having the advantage of not only being covariant but also tetrad-rotation invariant, is used to write down the previously known odd- and even-parity gauge-invariants and the equations they satisfy. Additionally, in the even-parity sector, a new invariant and the second order hyperbolic equation it satisfies are presented. Chandrasekhar's work on transformations of solutions for perturbation equations on Schwarzschild spacetime is translated into the GHP form, i.e., solutions for the equations of the even- and odd-parity invariants are written in terms of one another, and the extreme Weyl scalars; and solutions for the equations of these latter invariants are also written in terms of one another. Recently, further gauge invariants previously used by Steven Detweiler have been described. His method is translated into GHP form and his basic invariants are presented here. We also show how these invariants can be written in terms of curvature invariants.

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 Dates: 2016-11-24
 Publication Status: Not specified
 Pages: -
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 Rev. Method: -
 Identifiers: arXiv: 1611.08291
URI: http://arxiv.org/abs/1611.08291
 Degree: -

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