Biswas, ShauvikShauvikBiswasSadhu, AmrutaAmrutaSadhuSarkar, SudiptaSudiptaSarkar2025-10-132025-10-132025-092331-842210.48550/arXiv.2509.05087http://repository.iitgn.ac.in0/handle/IITG2025/33109en-USOvercharging extremal rotating black holesArticle123456789/615