Constraining Post_Newtonian Parameters With Gravitational Waves

Details Constraining Post_Newtonian Parameters With Gravitational Waves Constraining Post_Newtonian Parameters With Gravitational Waves

2001-03-08

arxiv.org/abs/gr-qc/0103024v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, abbreviated version to be submitted to conference proceedings Twentieth Texas Symposium on Relativistic Astrophysics,

Scientific paper

10.1063/1.1419661

We re-express gravitational wave results in terms of post-Newtonian parameters. Using these expressions, and some simplifying assumptions, we compute that in a favorable case, i.e. a ten solar-mass black hole spiraling in to a 10^6 solar-mass black hole, LISA observations will be able to constrain at the 10% level or better a single combination of post-post-Newtonian parameters one order higher than those already constrained by solar system evidence. This significant constraint will be possible even if the signal-to-noise level is so low that the signal can only be found by matched filtering, and hence only deviations between alternate signal interpretations of order one half cycle or more can be detected.

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