约束暗物质的修正引力中 Hawking 辐射的更快速率
广义相对论与量子宇宙学
2024-12-02 v1
摘要
在强场 regime 下,引力的确切理论仍在争论中。存在表明需要修改爱因斯坦引力的观察。另一方面,暗物质的确切成分也是一个大问题,其中原始黑洞 (PBHs) 被认为是潜在的候选者。我们探讨了修正引力中的 Hawking 辐射,发现 PBHs 在基于修正引力的标量-张量理论中蒸发得更快。随后,所有质量约为 克或更小的非旋转黑洞本应该在今天被蒸发完毕,这比爱因斯坦引力预测的重量高了一个数量级。这对 PBHs 贡献暗物质的限制、暗物质起源的讨论都有许多影响。
关键词
引用
@article{arxiv.2411.19116,
title = {Faster rate of Hawking radiation in modified gravity constraining dark matter},
author = {Panchajanya Dey and Banibrata Mukhopadhyay},
journal= {arXiv preprint arXiv:2411.19116},
year = {2024}
}
备注
9 pages, 4 figures; To be published in Astrophysics and Space Science Proceedings, titled "The Relativistic Universe: From Classical to Quantum, Proceedings of the International Symposium on Recent Developments in Relativistic Astrophysics", Gangtok, December 11-13, 2023: to felicitate Prof. Banibrata Mukhopadhyay on his 50th Birth Anniversary", Editors: S Ghosh & A R Rao, Springer Nature