Ali Övgün
- The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
2025/04/02 by Eleonora Di Valentino, Jackson Levi Said, Di Valentino, Eleonora +1099 · 7 voices · 110 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Galaxies: Formation, Evolution, Phenomena #Dark Matter and Cosmic Phenomena
- Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A ∗
2023/05/26 by Sunny Vagnozzi, Rittick Roy, Yu-Dai Tsai +12 · 53 citations
Earth and Planetary Sciences · Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Cosmology and Gravitation Theories #Geophysics and Gravity Measurements
- Black Hole in Quantum Wave Dark Matter
2022/11/22 by Reggie C. Pantig, Ali Övgün · 11 citations
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Astrophysics and Cosmic Phenomena #Cosmology and Gravitation Theories
- Constraints via the Event Horizon Telescope for Black Hole Solutions with Dark Matter under the Generalized Uncertainty Principle Minimal Length Scale Effect
2023/12/02 by Ali Övgün, Lemuel John F. Sese, Reggie C. Pantig · 4 citations
Physics and Astronomy · #Noncommutative and Quantum Gravity Theories #Cosmology and Gravitation Theories #Black Holes and Theoretical Physics
- Geodesics, accretion disk, gravitational lensing, time delay, and effects on neutrinos induced by a non-commutative black hole
2024/12/11 by A. A. Araújo Filho, Filho, A. A. Araújo, N. Heidari +3 · 7 citations
Physics and Astronomy · #Neutrino Physics Research #Noncommutative and Quantum Gravity Theories #Astrophysics and Cosmic Phenomena
- General approach on shadow radius and photon spheres in asymptotically flat spacetimes and the impact of mass-dependent variations
2024/07/01 by Vitalii Vertogradov, Ali Övgün · 4 citations
- Formation of regular black hole from baryonic matter
2025/02/01 by Vitalii Vertogradov, Vertogradov, Vitalii, Ali Övgün +3 · 4 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Relativity and Gravitational Theory
- Axisymmetric black hole in a non-commutative gauge theory: classical and quantum gravity effects
2025/02/03 by A. A. Araújo Filho, N. Heidari, Filho, A. A. Araújo +3 · 3 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Theory (hep-th) #Noncommutative and Quantum Gravity Theories
- Analytical approach for calculating shadow of dynamical black hole
2024/12/14 by Vitalii Vertogradov, Vertogradov, Vitalii, Ali Övgün +1 · 2 citations
Physics and Astronomy · #Astrophysical Phenomena and Observations #Experimental and Theoretical Physics Studies #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Pulsars and Gravitational Waves Research
- Analyzing Deflection Angles and Photon Sphere Dynamics of Magnetically Charged Black Holes in Nonlinear Electrodynamic
2025/02/06 by Hira Waseem, Waseem, Hira, Nikko John Leo S. Lobos +5 · 2 citations
Physics and Astronomy · Engineering · #Pulsars and Gravitational Waves Research #Geophysics and Sensor Technology #Astrophysical Phenomena and Observations
- Finite Distance Corrections to Vacuum Birefringence in Strong Gravitational and Electromagnetic Fields
2025/12/21 by Ali Övgün, Övgün, Ali, Reggie C. Pantig +1 · 1 citation
Physics and Astronomy · #Astrophysical Phenomena and Observations #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Theory (hep-th) #Pulsars and Gravitational Waves Research
- Radial integral reformulation of the Gauss-Bonnet weak deflection angle at finite distance
2026/07/18 by Ali Övgün, Reggie C. Pantig
- An obstruction and residual-completion theory for Newman--Janis deformations
2026/07/21 by Reggie C. Pantig, Ali Övgün
#gr-qc #hep-th
- Shadow of the generalized Vaidya black hole
2026/07/20 by Vitalii Vertogradov, Ali Övgün
#gr-qc