非相对论性广义相对论中致密物体演化的有效场论

Irvin Martínez, A. Weltman
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引用次数: 3

摘要

在有效场论的框架内,用牛顿修正描述了慢旋转致密物体在晚激励下的演化,这是由于自旋、潮汐、耗散和作用中点质量项的后牛顿修正。采用简单的点粒子模拟算法对系统进行数值演化,提取最低阶牛顿引力波形,研究不同作用下系统的相演化。我们表明,引力波天文台LIGO-Virgo目前探测到的系统中紧凑物体的有效场论系数的匹配是可能的,它可以对基础物理学施加严格的约束。
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Effective Field Theory for Compact Object Evolution in Non-Relativistic General Relativity
We describe the evolution of slowly spinning compact objects in the late inspiral with Newtonian corrections due to spin, tides, dissipation and post-Newtonian corrections to the point mass term in the action within the effective field theory framework. We evolve the system numerically using a simple algorithm for point particle simulations and extract the lowest-order Newtonian gravitational waveform to study its phase evolution due to the different effects. We show that the matching of coefficients of the effective field theory for compact objects from systems that the gravitational wave observatories LIGO-Virgo currently detects might be possible and it can place tight constraints on fundamental physics.
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