GRAVITATIONAL-WAVES FROM A POINT PARTICLE IN CIRCULAR ORBIT AROUND A BLACK-HOLE - LOGARITHMIC TERMS IN THE POST-NEWTONIAN EXPANSION

被引：82

作者：

TAGOSHI, H ^{[1
]}

NAKAMURA, T ^{[1
]}

机构：

[1] KYOTO UNIV, YUKAWA INST THEORET PHYS, KYOTO 60601, JAPAN

来源：

PHYSICAL REVIEW D | 1994年 / 49卷 / 08期

关键词：

D O I：

10.1103/PhysRevD.49.4016

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We find logarithmic terms in a post-Newtonian expansion of gravitational radiation induced by a particle traveling a circular orbit of radius r0 around a Schwarzschild black hole of mass M. We calculate the gravitational wave luminosity using the Teukolsky equation to high accuracy (approximately 20 figures) and determine the coefficients of the post-Newtonian expansion by means of least squares fitting. We find that there are terms proportional to x6lnx and x 8lnx where x =(M/r0)1/2. We also examine the accumulated phase of coalescing compact star binaries by means of the post-Newtonian expansion as it sweeps through the bandwidth at which the future laser interferometric detectors have good sensitivity.

引用

页码：4016 / 4022

页数：7

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