Telling Tails In The Presence Of A Cosmological Constant

Details Telling Tails In The Presence Of A Cosmological Constant Telling Tails In The Presence Of A Cosmological Constant

1996-11-24

arxiv.org/abs/gr-qc/9611056v1

Phys.Rev. D55 (1997) 7538-7545

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages (including 10 postscript figures), Revtex, uses epsf.tex and twocolumn.sty. Submitted to Physical Review D

Scientific paper

10.1103/PhysRevD.55.7538

We study the evolution of massless scalar waves propagating on spherically symmetric spacetimes with a non-zero cosmological constant. Considering test fields on both Schwarzschild-de Sitter and Reissner-Nordstrom-de Sitter backgrounds, we demonstrate the existence of exponentially decaying tails at late times. Interestingly the l=0 mode asymptotes to a non-zero value, contrasting the asymptotically flat situation. We also compare these results, for l=0, with a numerical integration of the Einstein-Scalar field equations, finding good agreement between the two. Finally, the significance of these results to the study of the Cauchy horizon stability in black hole-de Sitter spacetimes is discussed.

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