Horizon brightened accelerated radiation in the background of braneworld black holes

Abstract

The concept of horizon brightened acceleration radiation (HBAR) has brought to us a distinct mechanism of particle production in curved spacetime. In this manuscript we examine the HBAR phenomena for a braneworld black hole (BBH) which emerges as an effective theory in our $(3+1)$ dimensional universe due to the higher dimensional gravitational effects. Despite being somewhat similar to the Reissner-Nordstr$\ddot{\mathrm{o}}$m solution in general relativity, the BBH is unique with respect to its charge term which is rather the tidal charge. In this background, we study the transition probability of the atom due to the atom-field interaction and the associated HBAR entropy. Both the quantities acquire modifications over the standard Schwarzschild results and turn out to be the function of the tidal charge. This modifications appear solely due to the bulk gravitational effects as induced on the 3-brane. Studying the Wien's displacement, we observe an important feature that the wavelengths of HBAR corresponding to the Schwarzschild and the BBH, deviate from each other depending on their masses. This deviation is found to be more pronounced for the mass values slightly greater or comparable to the Planck mass.

arXiv comment13 pages, 2 figures

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• HBAR entropy of Infalling Atoms into a GUP-corrected Schwarzschild Black Hole and equivalence principle
• Horizon brightened acceleration radiation entropy in causal diamond geometry: A near-horizon perspective
• Acceleration Radiation of Freely Falling Atoms: Nonlinear Electrodynamic Effects
• Quantum aspects of spacetime: A quantum optics view of acceleration radiation and black holes
• Quasinormal Mode Spectroscopy via Horizon-Brightened Quantum Optics
• Horizon brightened acceleration radiation from massive vector fields
• Horizon-Brightened Acceleration Radiation and Optical Signatures of Generic Regular Black Holes from Nonlinear Electrodynamics