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Defining eccentricity for spin-precessing binaries

delete2025-09-29
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PRE
AI
M
Md Arif Shaikh *
V
Vijay Varma
A
A. Ramos-Buades
H
Harald Pfeiffer
M
Michael Boyle
L
Lawrence E Kidder
M
Mark Scheel
DOI:10.1088/1361-6382/ae085ddelete
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摘要

摘要

En 中文
标准化偏心率的定义对于从引力波观测中明确推断致密双星轨道的偏心率是必要的。在先前的工作中,我们提出了一种适用于无自旋进动系统的偏心率定义,该定义仅依赖于引力波形,适用于任何波形模型,并且具有正确的牛顿极限。在本工作中,我们将此定义扩展到自旋进动系统。这种简单而有效的扩展首先将波形从惯性系转换到共进动系,然后采用一个具有减少自旋诱导效应的幅度和一个相位。我们的方法包括一个稳健的过滤自旋诱导调制的程序,这些调制在小偏心率和强自旋进动 regime下变得不可忽略。最后,我们将该方法应用于一组数值相对论和有效单体波形,以展示其对一般偏心自旋进动双星的鲁棒性。我们通过gw_eccentricity中的Python实现公开了我们的方法。

期刊

Classical and Quantum Gravity 封面图
Classical and Quantum Gravity
IF:
3.7
论文数:
1.3W
被引数:
3.0W

机构

V
Vivekananda Satavarshiki Mahavidyalaya
学者数:
1
论文数: 1
被引数: 0
M
max planck institute for gravitational physics
学者数:
41
论文数: 11
被引数: 0
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