Kerr-Newman-Kasuya时空的阴影与偏折角
广义相对论与量子宇宙学
2018-10-23 v2
摘要
我们研究Kerr-Newman-Kasuya(KNK)时空(旋转双荷黑洞)所产生的阴影或轮廓。结果表明,除黑洞的角动量外,双荷电荷也会影响KNK黑洞的阴影图像。此外,我们利用Gauss-Bonnet定理分析了KNK黑洞的弱引力透镜。最后,我们发现额外的双荷电荷同时减小了KNK黑洞的偏折角和阴影。
引用
@article{arxiv.1807.00388,
title = {Shadow cast and Deflection angle of Kerr-Newman-Kasuya spacetime},
author = {Ali Övgün and İzzet Sakallı and Joel Saavedra},
journal= {arXiv preprint arXiv:1807.00388},
year = {2018}
}
备注
16 pages, 4 figures. Accepted for publication in Journal of Cosmology and Astroparticle Physics (JCAP). arXiv admin note: text overlap with arXiv:gr-qc/0301100 by other authors