Comparisons of eccentric binary black hole simulations with post-Newtonian models
Ian Hinder, Frank Herrmann, Pablo Laguna, Deirdre Shoemaker
备注：
15 pages, 7 figures. Replaced extrapolation of fit parameters with values at earliest time - results unchanged. Corrected equation typos in Section IIa. Other minor changes. Corresponds to PRD version
We present the first comparison between numerical relativity (NR) simulations of an eccentric binary black hole system with corresponding post-Newtonian (PN) results. We evolve an equal-mass, non-spinning configuration with an initial eccentricity e ~ 0.1 for 21 gravitational wave cycles before merger, and find agreement in the gravitational wave phase with an adiabatic eccentric PN model with 2 PN radiation reaction within 0.1 radians for 10 cycles. The NR and PN phase difference grows to 0.7 radians by 5 cycles before merger. We find that these results can be obtained by expanding the eccentric PN expressions in terms of the frequency-related variable x = (omega M)^{2/3} with M the total mass of the binary. When using instead the mean motion n = 2 π/P, where P is the orbital period, the comparison leads to significant disagreements with NR.
Gravitational-wave amplitudes for compact binaries in eccentric orbits at the third post-Newtonian order: Tail contributions and post-adiabatic corrections
Large-Eccentricity Asymptotics and Fast Analytic Approximation for Fourier modes of Post-Newtonian Eccentric Waveforms
Instituto de Física Téorica UAM-CSIC, Universidad Autónoma de Madrid（马德里自治大学理论物理研究所）；Beijing Normal University（北京师范大学）；Hangzhou Institute for Advanced Study, UCAS（中国科学院大学杭州高等研究院）
Confirming and improving post-Newtonian and effective-one-body results from self-force computations along eccentric orbits around a Schwarzschild black hole
我们解析计算，通过6.5后牛顿秩序，二阶的Detweiler-Barack-Sago规范不变红移函数的偏心率部分的小质量在偏心轨道上围绕史瓦西黑洞。利用力学第一定律求解偏心轨道[A. Le Tiec，Phys. Rev. D { \bf 92}，084021（2015）]我们将我们的结果转录为有效单体形式主义的第二径向势的相应准确知识[A. Buonanno和T. Damour，Phys. Rev. D { \bf 59}，084006（1999）]。我们比较了我们新获得的分析信息，几个不同的数值自作用力数据，并发现很好的协议，估计误差范围内。我们还获得，第一次，独立的分析检查最近导出的，比较质量的第四后牛顿阶动力学[T。Damour，P. Jaranowski和G. Shaefer，Phys. Rev. D { \bf 89}，064058（2014）]。
Post-Newtonian theory-inspired framework for characterizing eccentricity in gravitational waveforms
Kavli Institute for Theoretical Physics, University of California Santa Barbara（加州大学圣塔芭芭拉分校卡弗里理论物理研究所）；Theoretical AstroPhysics Including Relativity and Cosmology, California Institute of Technology（加州理工学院理论天体物理学（含相对论与宇宙学））；Department of Physics, University of California at Santa Barbara（加州大学圣塔芭芭拉分校物理系）；International Centre for Theoretical Sciences, Tata Institute of Fundamental Research（塔塔基础研究院国际理论科学中心）
Gravitational waves from compact binaries inspiralling along post-Newtonian accurate eccentric orbits: Data analysis implications
沿偏心轨道旋转的致密双星是地基激光干涉仪的引力波源。我们探索的损失，在事件发生率时，从紧凑的二进制文件，沿着后牛顿精确偏心轨道与某些明显的非最佳搜索模板的灵感搜索GW。对于本分析，具有2.5后牛顿精确轨道演化的GW信号按照[T. Damour，A. Gopakumar和B. R. Iyer，Phys. Rev. \textbf{70}，064028（2004）]。我们证明了搜索模板，模型在规范不变的方式GWs从紧凑的二进制inspirling qudrupolar辐射反应下沿2 PN精确的圆形轨道是非常有效的捕捉我们有点现实的GW信号。然而，基于绝热、完全绝热和规范依赖的完全非绝热近似的三种类型的搜索模板在[P. Ajith，B. R.伊耶角A. K. Robinson和B. S. Sathyaprakash，%``A new class of post-Newtonian approximants to the dynamics of inspiralling compact binaries：Test-mass in the Schwarzschild spacetime，'' Phys. Rev. D { \bf 71}，044029（2005）]，与四极辐射反应下的圆形内旋相关，发现在捕获上述偏心信号方面效率低下。我们的结论是，将需要进一步的调查，以探测各种类型的PN准确的…
Analytic self-force calculations in the post-Newtonian regime: eccentric orbits on a Schwarzschild background
本文提出了一种求解一阶后牛顿（PN）展开场方程的方法。我们的计算推广了Bini和Damour以及随后Kavanagh等人的工作，考虑史瓦西背景下的偏心轨道。我们推导出所有$\ell$模式的粒子位置的延迟度规扰动的表达式。我们发现，尽管第一次出现，Regge-Wheeler规范度规扰动是$C^0$在所有$\ell$的粒子。作为第一次使用我们的解决方案，我们计算规范不变量$\langle U \rangle$通过4PN，同时扩大偏心率通过$e^{10}$。通过预测每个PN阶的$e\to 1$奇异行为，我们大大提高了我们的结果的精度为大$e$。我们使用$\langle U \rangle$通过$e^{10}$和在质量比的线性顺序找到有效的单体势$\hat Q$的4PN贡献。
High-order post-Newtonian expansion of the generalized redshift invariant for eccentric-orbit, equatorial extreme-mass-ratio inspirals with a spinning primary
High accuracy post-Newtonian and numerical relativity comparisons involving higher modes for eccentric binary black holes and a dominant mode eccentric inspiral-merger-ringdown model
Spin-orbit precession along eccentric orbits: improving the knowledge of self-force corrections and of their effective-one-body counterparts
通过后牛顿第九阶计算了自旋致密体绕Schwarzschild黑洞沿微偏心轨道的自旋轨道进动的（一阶）引力自作用力修正，改进了Kavanagh等人最近的结果。修订版本\ D { \bf 96}，064012（2017）。]然后将这些信息转换成相应的连续单体对应物，从而确定陀螺重磁比$g_{S*}$中的几个新的后牛顿项。
Eccentric-orbit extreme-mass-ratio-inspiral radiation II: 1PN correction to leading-logarithm and subleading-logarithm flux sequences and the entire perturbative 4PN flux
Analytical Solution of Spinning, Eccentric Binary Black Hole Dynamics at the Second Post-Newtonian Order
Laboratoire d’étude de l’Univers et des phénomènes eXtrêmes (LUX), Observatoire de Paris, Université PSL, Sorbonne Université, CNRS（极端宇宙与现象实验室（LUX），巴黎天文台，巴黎文理研究大学，索邦大学，法国国家科学研究中心）；Universidad de Ingenieria y Tecnologia – UTEC（工程与技术大学 - UTEC）
Phasing of gravitational waves from inspiralling eccentric binaries at the third-and-a-half post-Newtonian order
我们得到了一个有效的描述非自旋的紧凑型双星的动力学在吸气偏心轨道，以实现在3.5后牛顿（PN）的顺序从这样的二进制的引力波的定相。我们的计算在很大程度上依赖于[T. Damour，A. Gopakumar和B. R. Iyer，Phys. Rev. D \textbf{70}，064028（2004）]，以及在[R.-R. M. Memmesheimer，A. Gopakumar和G. Schäfer，Phys. Rev. D \textbf{70}，104011（2004）]。如果地球上现有的和先进的引力波干涉仪计划从吸气偏心双星中寻找引力波，那么具有3.5PN精确定相的引力波极化$h_{+}$和$h_{\times}$将是有用的。我们的结果将需要做\emph{astrophysics}与拟议的空间为基础的GW干涉仪，如LISA，BBO，和DECIGO。
Analytic post-Newtonian expansion of the energy and angular momentum radiated to infinity by eccentric-orbit non-spinning extreme-mass-ratio inspirals to 19PN
Spin precession effects in the phasing formula of eccentric compact binary inspirals up to the second post-Newtonian order
Indian Institute of Technology Madras（印度马德拉斯理工学院）；Centre for Strings, Gravitation and Cosmology, Department of Physics, Indian Institute of Technology Madras（印度马德拉斯理工学院物理系弦、引力和宇宙学中心）；Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA), Northwestern University（西北大学天体物理学交叉探索与研究中心）
