论文标题
光线的挠度角在强挠度极限下以一般边缘不稳定的光子球反射
Deflection angle of a light ray reflected by a general marginally unstable photon sphere in a strong deflection limit
论文作者
论文摘要
我们在某些假设下，在一般渐近平坦，静态和球形对称的时空中，在强大的平坦，静态和球形对称的时空中，在强烈不稳定的光子球中研究了偏转角度以计算可观测值。光线的偏转角反射到边缘不稳定的光子球体上，而光子球反射的偏转角则以对数的分化为差异。我们将公式应用于Reissner-Nordstrom时空和Hayward时空。
We investigate the deflection angle in a strong deflection limit for a marginally unstable photon sphere in a general asymptotically flat, static and spherically symmetric spacetime under some assumptions to calculate observables. The deflection angle of a light ray reflected by the marginally unstable photon sphere diverges nonlogarithmically while the one reflected by a photon sphere diverges logarithmically. We apply our formula to a Reissner-Nordstrom spacetime and Hayward spacetime.
