The importance of the "magnetic" components of gravitational waves in the response functions of interferometers

被引：14

作者：

Corda, Christian ^{[1
,2
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[2] Univ Pisa, I-56127 Pisa, Italy

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2007年 / 16卷 / 09期

关键词：

gravitational waves; interferometers; magnetic components;

D O I：

10.1142/S0218271807010882

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

With an enlighting analysis, Baskaran and Grishchuk have recently shown the presence and importance of the so-called "magnetic" components of gravitational waves (GWs), which have to be taken into account in the context of the total response functions of interferometers for GWs propagating from arbitrary directions. In this paper, more detailed angular and frequency dependences of the response functions for the magnetic components are given in the approximation of wavelength much larger than the linear dimensions of the interferometer, with a specific application to the parameters of the LIGO and Virgo interferometers. The results of this paper agree with the work of Baskaran and Grishchuk, in which it has been shown that the identification of "electric" and "magnetic" contributions is unambiguous in the long-wavelength approximation. At the end of this paper, the angular and frequency dependences of the total response functions of the LIGO and Virgo interferometers are given. In the high-frequency regime, the division on "electric" and "magnetic" components becomes ambiguous, thus the full theory of gravitational waves has to be used. Our results are consistent with the ones of Baskaran and Grishchuk for this case.

引用

页码：1497 / 1517

页数：21

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