280 citations · 2.4k across the 47 of their papers we have counts for
6 papers · 1 filter
Horizon brightened acceleration radiation from massive vector fields
Reggie C. Pantig, Ali Övgün
In this paper, we develop a quantum-optical treatment of acceleration radiation for atoms freely falling into a Schwarzschild black hole when the ambient field is a massive spin-1…
Ringdown of a black hole sourced by a Burkert-density effective anisotropic source
Yi Yang, Gaetano Lambiase, Ali Ovgun +2
We construct a static, spherically symmetric black hole spacetime sourced by an effective anisotropic matter distribution whose energy density follows the cored Burkert profile. Th…
Gravitational Black Hole Shadow Spectroscopy
Reggie C. Pantig, Ali Övgün
In this work, we develop a generalized perturbative framework for gravitational shadows in static, spherically symmetric spacetimes. Building upon the recent two-parameter perturba…
Charged black holes in Kalb-Ramond gravity: Weak Deflection Angle, Shadow cast, Quasinormal Modes and Neutrino annihilation
Reggie C. Pantig, Ali Övgün, Ángel Rincón
In this paper, we investigate the phenomenology of electrically charged black holes in a Lorentz-violating gravitational framework mediated by a background Kalb-Ramond (KR) antisym…
Regular Black Hole Models in the Transition from Baryonic Matter to Quark Matter
Vitalii Vertogradov, Ali Övgün
In this paper, we investigate gravitational collapse scenarios involving baryonic matter transitioning into quark-gluon plasma under extreme astrophysical conditions, focusing on t…
Axisymmetric black hole in a non-commutative gauge theory: classical and quantum gravity effects
A. A. Araújo Filho, N. Heidari, Ali Övgün
This work explores both classical and quantum aspects of an axisymmetric black hole within a non-commutative gauge theory. The rotating solution is derived using a modified Newman-…