重求和 Post-Minkowskian 与 Post-Newtonian 引力波形展开
广义相对论与量子宇宙学
2025-08-27 v5 高能物理 - 理论
摘要
我们推导了在软极限下按给定阶数重求和的公式,这些公式针对在探针极限下沿 Schwarzschild 几何中一般(开放或闭合)轨迹运动的粒子所产生的引力波形的 Post-Minkowskian(小引力耦合)或 Post-Newtonian(小速度)修正的无穷级数。具体到圆轨道的情形,我们计算了达到 30PN 阶的波形和能流,并将其与文献中现有的结果进行了比较。我们的结果基于 Heun 方程(及其合流形式)解的一种新颖超几何表示,这为 Heun 连接公式提供了一个简单的数学证明。
引用
@article{arxiv.2501.19257,
title = {Resumming Post-Minkowskian and Post-Newtonian gravitational waveform expansions},
author = {Andrea Cipriani and Giorgio Di Russo and Francesco Fucito and José Francisco Morales and Hasmik Poghosyan and Rubik Poghossian},
journal= {arXiv preprint arXiv:2501.19257},
year = {2025}
}
备注
21 pages + Appendix + References, 2 Figures, 4 Tables; ancillary files are present, containing two Mathematica codes and relative data that are imported within them. Notation has been changed and more references have been added, new version of one ancillary file