A note on gravitational wave lensing
A note on gravitational wave lensing
复制标题
关于引力波透镜效应的注释
DOI：
10.1051/0004-6361:20021258
复制
发表时间：
2002
影响因子：
6.5
通讯作者：
Asghar Qadir
中科院分区：
文献类型：
--
作者：
F. Paolis;G. Ingrosso;A. Nucita;Asghar Qadir;Asghar Qadir
In a recent paper (Rua 1999) it was proposed that the massive black hole at the Galactic center may act as a gravitational lens focusing gravitational wave energy to the Earth. Considering the gravitational wave signal emitted by galactic spinning pulsars, an enhancement in the gravitational wave intensity by a factor of a few thousand is found. For galactic and extra-galactic sources the intensity enhancement can be as high as 4000 and 17 000, respectively. In this note we consider the probability of significant signal enhancement from galactic and extra-galactic pulsars by the proposed mechanism and find that it is actually negligible. The lensing eect due to a possible companion object (a star or the galactic center black hole) of the gravitational wave source is also investigated in the framework of the classical microlensing theory.
