Gravitational waves - A review on the theoretical foundations of gravitational radiation

被引:7
作者
Dirkes, Alain [1 ]
机构
[1] Goethe Univ Frankfurt, FIAS, Ruth Moufang Str 1, D-60438 Frankfurt, Germany
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2018年 / 33卷 / 14-15期
关键词
Gravitational waves; TT-gauge; quadrupole formula; orbital decay; BLACK-HOLE COALESCENCES; GENERAL-RELATIVITY; FIELD-EQUATIONS; ENERGY-LOSS; PULSAR; MERGER; BINARIES; TESTS; BODY;
D O I
10.1142/S0217751X18300132
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
In this paper, we review the theoretical foundations of gravitational waves in the framework of Albert Einstein's theory of general relativity. Following Einstein's early efforts, we first derive the linearized Einstein field equations and work out the corresponding gravitational wave equation. Moreover, we present the gravitational potentials in the far away wave zone field point approximation obtained from the relaxed Einstein field equations. We close this review by taking a closer look on the radiative losses of gravitating n-body systems and present some aspects of the current interferometric gravitational waves detectors. Each section has a separate appendix contribution where further computational details are displayed. To conclude, we summarize the main results and present a brief outlook in terms of current ongoing efforts to build a spaced-based gravitational wave observatory.
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页数:43
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