arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 0902.0573gr-qcastro-ph.HE
收藏

Schwarzschild黑洞最内层稳定圆轨道的引力自作用力修正

Gravitational self-force correction to the innermost stable circular orbit of a Schwarzschild black hole

Leor Barack, Norichika Sago

摘要:

实验粒子围绕质量为$M$的史瓦西黑洞的最内层稳定圆轨道(ISCO)的(面积)半径为$r_{\rm isco}= 6M G/c^2$。如果粒子被赋予质量$μ(\ll M)$,它会经历一个引力自作用力,其保守部分会改变ISCO的位置。在这里,我们计算得到的位移$Δr_{\rm isco}$和$ΔΩ_{\rm isco}$在ISCO的半径和频率,在领先的顺序在质量比$μ/M$。在Lorenz规范下,我们得到了$Δr_{\rm isco}=-3.269 (\pm 0.003)μG/c^2$和$ΔΩ_{\rm isco}/Ω_{\rm isco}=0.4870 (\pm 0.0006) μ/M$ .我们讨论的范围内的极端质量比二进制inspiral问题的影响,我们的结果。

英文摘要:

The innermost stable circular orbit (ISCO) of a test particle around a Schwarzschild black hole of mass $M$ has (areal) radius $r_{\rm isco}= 6M G/c^2$. If the particle is endowed with mass $μ(\ll M)$, it experiences a gravitational self-force whose conservative piece alters the location of the ISCO. Here we calculate the resulting shifts $Δr_{\rm isco}$ and $ΔΩ_{\rm isco}$ in the ISCO's radius and frequency, at leading order in the mass ratio $μ/M$. We obtain, in the Lorenz gauge, $Δr_{\rm isco}=-3.269 (\pm 0.003)μG/c^2$ and $ΔΩ_{\rm isco}/Ω_{\rm isco}=0.4870 (\pm 0.0006) μ/M$. We discuss the implications of our result within the context of the extreme-mass-ratio binary inspiral problem.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑