Post-Newtonian Expansion of Gravitational Waves from a Particle in Slightly Eccentric Orbit around a Rotating Black Hole
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概要
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Using the Teukolsky and Sasaki-Nakamura equations, we calculate the post-Newtonian expansion of the energy and angular momentum luminosities of gravitational waves from a test particle with slightly eccentric orbit around a rotating black hole up to O(v^5) beyond the quadrupole formula. We find that circular orbit is stable up through the order O(v^5) even if the spin of a black hole exists. Using the results, we argue the total phase of gravitational waves from coalescing compact binaries. We find that the eccentricity is important at O(v^5) order if the initial eccentricity in the LIGO's band is greater than 0.4. There are possibilities that binaries which have a non-negligible eccentricity will be observed by laser interferometers and our results will be useful to analyze gravitational waves from such binaries.
- 理論物理学刊行会の論文
- 1995-02-25
著者
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TAGOSHI Hideyuku
National Astronomical Observatory
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TAGOSHI Hideyuki
National Astronomical Observator
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TAGOSHI Hideyuki
Department of Physics, Kyoto University
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Tagoshi Hideyuki
Department Of Earth And Space Science Graduate School Of Science Osaka University
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