The Distributional Stress-Energy Quadrupole and Gravitational Waves

被引：0
作者：
Gratus, Jonathan [1 ,2 ]
Talaganis, Spyridon [1 ]
机构：
[1] Univ Lancaster, Phys Dept, Lancaster LA1 4YB, England
[2] Daresbury Lab, Cockcroft Inst, Daresbury WA4, Warrington, England
来源：
UNIVERSE | 2023年 / 9卷 / 12期
关键词：
Schwartz distributions; gravitational sources; dynamical equations; SPINNING TEST PARTICLES; EXTENDED BODIES; GENERAL-RELATIVITY; CONSERVED QUANTITIES; KERR FIELD; DYNAMICS; MOMENTS; MOTION;
D O I：
10.3390/universe9120518
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this overview, we discuss the (Schwartz) distributional stress-energy quadrupole and show it is a source of gravitational waves. We provide an explicit formula for the metric of linearised gravity in the case of a background Minkowski spacetime. We compare and contrast the two different representations for quadrupoles taken by Dixon and Ellis, present the formula for the dynamics of the quadrupole moments, and determine the number of free components. We review other approaches to the dynamics of quadrupoles, comparing our results.
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页数：14
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