Gravitational waves from neutron star excitations in a binary inspiral

被引：14

作者：

Parisi, Alessandro ^{[1
]}

Sturani, Riccardo ^{[2
]}

机构：

[1] Univ Estadual Paulista, Inst Fis Teor, ICTP South Amer Inst Fundamental Res, BR-01140070 Sao Paulo, Brazil

[2] Univ Fed Rio Grande do Norte UFRN, IIP, CP 1613, BR-59078970 Natal, RN, Brazil

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 04期

基金：

巴西圣保罗研究基金会;

关键词：

BLACK-HOLE; TIDAL DISRUPTION; OSCILLATIONS; EQUATION; CAPTURE; MODELS; MATTER;

D O I：

10.1103/PhysRevD.97.043015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the context of a binary inspiral of mixed neutron star-black hole systems, we investigate the excitation of the neutron star oscillation modes by the orbital motion. We study generic eccentric orbits and show that tidal interaction can excite the f-mode oscillations of the star by computing the amount of energy and angular momentum deposited into the star by the orbital motion tidal forces via closed form analytic expressions. We study the f-mode oscillations of cold neutron stars using recent microscopic nuclear equations of state, and we compute their imprint into the emitted gravitational waves.

引用

页数：13

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