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hep-th2026
Entropy bounds, Geroch process, and the sign of deformation parameter
Bijan Bagchi, Akshat Pandey, Parmest Roy +1
Based on Geroch's process of dropping a system into a black hole from the vicinity of the horizon, we investigate in this paper the influence of deformation on the Bekenstein entro…
gr-qc2026
Dimming of Photon Ring due to Photon-Axion Conversion around Kerr Black Holes
Rahul Dhyani, Sauvik Sen, Indrani Banerjee +2
We investigate photon-axion conversion in the vicinity of rotating Kerr black holes where strong gravity traps photons on near-circular trajectories, effectively enhancing the path…