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Gravitational wave background from neutron star phase transition

被引：7
|
作者：
de Araujo, Jose Carlos N. [1 ]
Marranghello, Guilherme F. [2 ]
机构：
[1] Inst Nacl Pesquisas Espaciais, Div Astrofis, BR-12201 Sao Jose Dos Campos, Brazil
[2] Univ Fed Pampa, Ctr Ciencias Exatas & Tecnol, Bage, RS, Brazil
来源：
GENERAL RELATIVITY AND GRAVITATION | 2009年 / 41卷 / 06期
关键词：
Neutron stars; Gravitational waves; Strange matter; Background; COSMOLOGICAL POPULATION; 1ST STARS; RADIATION; UNIVERSE; PULSARS; MODEL;
D O I：
10.1007/s10714-008-0712-7
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the generation of a stochastic gravitational wave (GW) background produced by a population of neutron stars (NSs) which go over a hadron-quark phase transition in its inner shells. We obtain, for example, that the NS phase transition, in cold dark matter scenarios, could generate a stochastic GW background with a maximum amplitude of h (BG) similar to 10(-24), in the frequency band nu (obs) a parts per thousand integral 20-2,000 Hz for stars forming at redshifts of up to z a parts per thousand integral 20. We study the possibility of detection of this isotropic GW background by correlating signals of a pair of Advanced LIGO observatories.
引用
收藏
页码：1389 / 1406
页数：18
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