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arXiv 1802.03062gr-qcastro-ph.HE
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来自扭曲静态黑洞的多重阴影

Multiple shadows from distorted static black holes

Jai Grover, Jutta Kunz, Petya Nedkova, Alexander Wittig, Stoytcho Yazadjiev

摘要:

研究了具有四极畸变的Schwarzschild黑洞的局域阴影以及外部引力场对光子动力学的影响。外部物质源改变了光环结构,导致多重阴影图像的出现。在负四极矩的情况下,我们确定了最突出的机制,造成多个阴影的形成。此外,我们得到了一个条件下,该机制可以实现。这个条件取决于四极矩,也取决于观测者和天球的位置。

英文摘要:

We study the local shadow of the Schwarzschild black hole with a quadrupole distortion and the influence of the external gravitational field on the photon dynamics. The external matter sources modify the light ring structure and lead to the appearance of multiple shadow images. In the case of negative quadrupole moments we identify the most prominent mechanism causing multiple shadow formation. Furthermore, we obtain a condition under which this mechanism can be realized. This condition depends on the quadrupole moment, but also on the position of the observer and the celestial sphere.

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。

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