中文

通过强引力透镜和光学表观探测渐近安全引力中的正则黑洞

广义相对论与量子宇宙学 2025-12-02 v3

摘要

本文研究了球对称正则黑洞周围的强引力透镜效应和光学表观,其度量源自渐近安全引力中的非奇异坍缩尘球模型。在该正则黑洞时空中,我们通过计算强场极限系数获得了光偏转角的解析表达式,并假设正则黑洞分别作为 M87* 和 SgrA* 超大质量黑洞的候选者,评估了强场区域的透镜观测量。随后,我们在该框架下研究了正则黑洞周围光学上和几何上薄的球对称吸积流的光学表观。最后,我们比较了上述结果,并展示了它们与施瓦西黑洞时空中获得的结果有多大差异。我们期望这些结果将有助于未来区分这些非奇异黑洞及其经典奇异对应物。

关键词

引用

@article{arxiv.2411.09513,
  title  = {Probing a regular black hole within asymptotically safe gravity via strong gravitational lensings and optical appearances},
  author = {Xiao-Jun Gao},
  journal= {arXiv preprint arXiv:2411.09513},
  year   = {2025}
}

备注

18 pages, 30 figures, the structure of the paper has been adjusted, the title has been modified, and the content related to the optical appearances of black hole shadows as well as some references have been added. Comments are welcome!