Constructing effective one-body dynamics with numerical energy flux for intermediate-mass-ratio inspirals

doi:10.1103/PhysRevD.84.044014

CSpace > 应用数学研究所

	Constructing effective one-body dynamics with numerical energy flux for intermediate-mass-ratio inspirals
	Han, Wen-Biao 1,2; Cao, Zhoujian3
	2011-08-03
发表期刊	PHYSICAL REVIEW D
ISSN	1550-7998
卷号	84 期号:4 页码:8
摘要	A new scheme for computing dynamical evolutions and gravitational radiations for intermediate-mass-ratio inspirals (IMRIs) based on an effective one-body (EOB) dynamics plus Teukolsky perturbation theory is built in this paper. In the EOB framework, the dynamic essentially affects the resulted gravitational waveform for a binary compact star system. This dynamic includes two parts. One is the conservative part, which comes from effective one-body reduction. The other part is the gravitational backreaction, which contributes to the shrinking process of the inspiral of a binary compact star system. Previous works used an analytical waveform to construct this backreaction term. Since the analytical form is based on post-Newtonian expansion, the consistency of this term is always checked by numerical energy flux. Here, we directly use numerical energy flux by solving the Teukolsky equation via the frequency-domain method to construct this backreaction term. The conservative correction to the leading order terms in mass-ratio is included in the deformed-Kerr metric and the EOB Hamiltonian. We try to use this method to simulate not only quasicircular adiabatic inspiral, but also the nonadiabatic plunge phase. For several different spinning black holes, we demonstrate and compare the resulted dynamical evolutions and gravitational waveforms.
DOI	10.1103/PhysRevD.84.044014
语种	英语
资助项目	NSFC[10731080] ; NSFC[11005149]
WOS研究方向	Astronomy & Astrophysics ; Physics
WOS类目	Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号	WOS:000293446700003
出版者	AMER PHYSICAL SOC
引用统计
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/11913
专题	应用数学研究所
通讯作者	Han, Wen-Biao
作者单位	1.Univ Roma La Sapienza, ICRANet, I-65122 Pescara, Italy 2.Univ Roma La Sapienza, Dept Phys, I-65122 Pescara, Italy 3.Chinese Acad Sci, Acad Math & Syst Sci, Inst Appl Math, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Han, Wen-Biao,Cao, Zhoujian. Constructing effective one-body dynamics with numerical energy flux for intermediate-mass-ratio inspirals[J]. PHYSICAL REVIEW D,2011,84(4):8.
APA	Han, Wen-Biao,&Cao, Zhoujian.(2011).Constructing effective one-body dynamics with numerical energy flux for intermediate-mass-ratio inspirals.PHYSICAL REVIEW D,84(4),8.
MLA	Han, Wen-Biao,et al."Constructing effective one-body dynamics with numerical energy flux for intermediate-mass-ratio inspirals".PHYSICAL REVIEW D 84.4(2011):8.