Warburton Niels, Pound Adam, Wardell Barry, Miller Jeremy, Durkan Leanne
School of Mathematics and Statistics, University College Dublin, Belfield D04 V1W8, Dublin 4, Ireland.
School of Mathematical Sciences and STAG Research Centre, University of Southampton, Southampton SO17 1BJ, United Kingdom.
Phys Rev Lett. 2021 Oct 8;127(15):151102. doi: 10.1103/PhysRevLett.127.151102.
Within the framework of self-force theory, we compute the gravitational-wave energy flux through second order in the mass ratio for compact binaries in quasicircular orbits. Our results are consistent with post-Newtonian calculations in the weak field, and they agree remarkably well with numerical-relativity simulations of comparable-mass binaries in the strong field. We also find good agreement for binaries with a spinning secondary or a slowly spinning primary. Our results are key for accurately modeling extreme-mass-ratio inspirals and will be useful in modeling intermediate-mass-ratio systems.
在自力理论框架内，我们计算了准圆形轨道上致密双星质量比二阶项的引力波能量通量。我们的结果与弱场中的后牛顿计算结果一致，并且与强场中可比质量双星的数值相对论模拟结果非常吻合。我们还发现，对于具有自旋次级天体或缓慢自旋初级天体的双星，结果也吻合得很好。我们的结果对于精确模拟极端质量比吸积过程至关重要，并且将有助于模拟中等质量比系统。
