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In this work, we have investigated the phenomenon of acceleration radiation exhibited by an atom falling into a quantum corrected Schwarzschild black hole. We observe that the excitation-probability of the atom with simultaneous emission of…

High Energy Physics - Theory · Physics 2022-04-14 Soham Sen , Rituparna Mandal , Sunandan Gangopadhyay

In this work, we have investigated the phenomenon of acceleration radiation exhibited by a two-level atom freely falling into a Generalized Uncertainty Principle (GUP)-corrected Schwarzschild black hole. We derive analytic expressions for…

General Relativity and Quantum Cosmology · Physics 2025-12-10 Ali Övgün , Reggie C. Pantig

In this work, we have considered a spherically symmetric non-rotating charged black hole geometry where both the Newton's gravitational constant and the charge of the black hole flows with the energy scale. We have used the Kretschmann…

General Relativity and Quantum Cosmology · Physics 2025-04-15 Arpita Jana , Soham Sen , Sunandan Gangopadhyay

In this work, we explore the intriguing phenomenon of acceleration radiation exhibited by an atom falling into a black hole, as previously studied in Phys. Rev. Lett. 121, 071301 (2018) . Our investigation focuses on examining the impact of…

General Relativity and Quantum Cosmology · Physics 2025-09-12 Anisur Rahaman

Starting from an effective action for quantum gravity, we calculate the quantum gravitational corrections to the Wald entropy of a four dimensional non-extremal Reissner-Nordstr\"om (RN) black hole in the limit of small electric charge,…

High Energy Physics - Theory · Physics 2023-05-23 Ruben Campos Delgado

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…

General Relativity and Quantum Cosmology · Physics 2024-03-29 Ashmita Das , Soham Sen , Sunandan Gangopadhyay

Hawking radiation from a black hole can be viewed as quantum tunneling of particles through the event horizon. Using this approach we provide a general framework for studying corrections to the entropy of black holes beyond semiclassical…

General Relativity and Quantum Cosmology · Physics 2015-05-18 M. Akbar , K. Saifullah

We investigate how dark energy affects atom-field interaction. To this end, we consider acceleration radiation of a freely falling atom close to a Schwarzschild black hole (BH) in the presence of dark energy characterized by a positive…

General Relativity and Quantum Cosmology · Physics 2023-05-31 Syed Masood A. S. Bukhari , Imtiyaz Ahmad Bhat , Chenni Xu , Li-Gang Wang

Motivated by the work of Scully \textit{et al.} [ \textcolor{blue}{Proc. Nat. Acad. Sci. 115, 8131 (2018)}] and Camblong \textit{et al.}[ \textcolor{blue}{Phys. Rev. D 102, 085010 (2020)}], we investigate horizon-brightened acceleration…

General Relativity and Quantum Cosmology · Physics 2026-03-26 Ali Övgün , Reggie C. Pantig , Bobomurat Ahmedov , Uktamjon Uktamov

In this paper, we study the quantum corrections to the thermodynamical quantities (temperature and entropy) for a Bardeen charged regular black hole by using a quantum tunneling approach over semiclassical approximations. Taking into…

General Relativity and Quantum Cosmology · Physics 2015-05-19 M. Sharif , Wajiha Javed

We investigate the role of Lorentz violation in the acceleration radiation produced when an atom falls into a Kalb-Ramond (KR) black hole and observe that the amplitude and an exponential (Planck-like) factor are both shaped by the…

High Energy Physics - Theory · Physics 2025-06-03 Anisur Rahaman

In this work we investigate the phenomena of acceleration radiation for a two-level atom falling into the event horizon of a Kerr-Newman black hole. In https://link.aps.org/doi/10.1103/PhysRevD.104.065006 (Phys. Rev. D 104 (2021) 065006),…

General Relativity and Quantum Cosmology · Physics 2023-09-28 Soham Sen , Rituparna Mandal , Sunandan Gangopadhyay

The near horizon aspects (and beyond) of a black hole metric, which belongs to a large class of static spherically symmetric black holes, are considered here. It has been realized recently that an atom falling into a black hole leads to the…

General Relativity and Quantum Cosmology · Physics 2022-07-11 Soham Sen , Rituparna Mandal , Sunandan Gangopadhyay

The role of horizon area quantization on black hole thermodynamics is investigated in this article. The coefficient appearing in the quantization of area is fixed by an appeal to the saturated form of the Landauer's principle. Then by…

General Relativity and Quantum Cosmology · Physics 2025-04-24 Arpita Jana , Manjari Dutta , Sunandan Gangopadhyay

A two-level atom freely falling towards a Schwarzschild black hole was recently shown to detect radiation in the Boulware vacuum in an insightful paper [M. O. Scully et al., Proc. Natl. Acad. Sci. U.S.A. 115, 8131 (2018)]. The two-state…

General Relativity and Quantum Cosmology · Physics 2020-10-28 H. E. Camblong , A. Chakraborty , C. R. Ordonez

We investigate quantum information and thermodynamic properties of a new bumblebee black hole arising from spontaneous Lorentz symmetry breaking by analyzing near-horizon physics through complementary quantum probes. We study the…

General Relativity and Quantum Cosmology · Physics 2025-12-22 A. A. Araújo Filho , Wentao Liu

In this paper, we will analyze the effects of $\alpha^{\prime} $ corrections on the behavior of a Reissner-Nordstr\"{o}m black hole. We will calculate the effects of such corrections on the thermodynamics and thermodynamic stability of such…

High Energy Physics - Theory · Physics 2023-11-01 Behnam Pourhassan , Izzet Sakalli , Xiaoping Shi , Mir Faizal , Salman Sajad Wani

We have investigated the black hole thermodynamics and the phase transition for renormalized group improved asymptotically safe Schwarzschild black hole. This geometry takes into account the quantum gravitational correction in the running…

General Relativity and Quantum Cosmology · Physics 2022-12-21 Rituparna Mandal , Sunandan Gangopadhyay

We study black hole radiation of a Reissner-Nordstrom black hole with an electric charge in the framework of quantum gravity. Based on a canonical quantization for a spherically symmetric geometry, under physically plausible assumptions, we…

High Energy Physics - Theory · Physics 2015-03-19 Ichiro Oda

We study quantum gravity effects on the thermodynamic character and the radiation process of the thin accretion disks around Schwarzschild-like black hole. The quantum gravity correction is invoked through the framework of generalization of…

General Relativity and Quantum Cosmology · Physics 2022-12-07 Himangshu Barman , Mohamed Moussa , Homa Shababi , Anisur Rahaman
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