Motion and gravitational wave forms of eccentric compact binaries with orbital-angular-momentum-aligned spins under next-to-leading order in spin–orbit and leading order in spin(1)–spin(2) and spin-squared couplings

Motion and gravitational wave forms of eccentric compact binaries with orbital-angular-momentum-aligned spins under next-to-leading order in spin–orbit and leading order in spin(1)–spin(2) and spin-squared couplings
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具有轨道角动量对齐自旋的偏心致密双星的运动和引力波形式,在自旋轨道中的次前级和自旋(1)自旋(2)中的前级以及自旋平方耦合下

DOI:
10.1088/0264-9381/27/16/165005
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发表时间:
2010
影响因子:
3.5
通讯作者:
G. Schäfer
G. Schäfer
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
M. Tessmer;J. Hartung;G. Schäfer

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本文给出了自旋紧双星第二类后牛顿(PN)精确运动方程解的准开普勒参数化,该方程包括首阶自旋-自旋和次首阶自旋-轨道相互作用。紧凑的对象的旋转变形被合并。对于任意的质量比,自旋取向取为平行或反平行于轨道角动量矢量。给出了直到2 PN点粒子、1.5PN自旋-轨道和1 PN自旋-自旋贡献的引力波的解析形式,其中自旋被假定为0 PN阶。
A quasi-Keplerian parameterization for the solutions of second post-Newtonian (PN) accurate equations of motion for spinning compact binaries is obtained including leading order spin–spin and next-to-leading order spin–orbit interactions. Rotational deformation of the compact objects is incorporated. For arbitrary mass ratios the spin orientations are taken to be parallel or anti-parallel to the orbital angular momentum vector. The emitted gravitational wave forms are given in analytic form up to 2PN point particle, 1.5 PN spin–orbit and 1PN spin–spin contributions, whereby the spins are assumed to be of 0PN order.
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