论文标题
潮汐相互作用的身体散射
Scattering of tidally interacting bodies in post-Minkowskian gravity
论文作者
论文摘要
后链球后的重力相互作用二进制系统的方法（{\ it，即}，$ g $中的扰动理论，而不假设速度很小）扩展到由两个扩展物体的潮汐变形引起的动力效应的计算，例如中子星。我们的派生将扰动作用的一般特性应用于潮汐相互作用的有效现场理论描述。我们在第一个后夫后秩序计算了几个潮汐不变的（尤其是集成的四极动作和八度动作）。得出对散射角的相应贡献。
The post-Minkowskian approach to gravitationally interacting binary systems ({\it i.e.}, perturbation theory in $G$, without assuming small velocities) is extended to the computation of the dynamical effects induced by the tidal deformations of two extended bodies, such as neutron stars. Our derivation applies general properties of perturbed actions to the effective field theory description of tidally interacting bodies. We compute several tidal invariants (notably the integrated quadrupolar and octupolar actions) at the first post-Minkowskian order. The corresponding contributions to the scattering angle are derived.
