170 citations · 3.6k across the 105 of their papers we have counts for
6 papers · 1 filter
Black Hole Shadow in Symmergent Gravity
İrfan Çimdiker, Durmuş Demir, Ali Övgün
Symmergent gravity is the gravity theory which emerges in a way restoring gauge symmetries broken explicitly by the ultraviolet cutoff in effective field theories. To test…
Weak Deflection angle and Shadow by Tidal Charged Black Hole
Wajiha Javed, Ali Hamza, Ali Övgün
In this article, we calculate the deflection angle of tidal charged black hole (TCBH) in weak field limits. First we obtain the Gaussian optical curvature and then apply the Gauss-…
Traversable wormholes in the extended teleparallel theory of gravity with matter coupling
G. Mustafa, Mushtaq Ahmad, Ali Övgün +2
This study explores the Gaussian and the Lorentzian distributed spherically symmetric wormhole solutions in the gravity. The basic idea of the Gaussian and Lorentzian non…
Cosmology with variable and nonlinear electrodynamics
Gabriel W. Joseph, Ali Övgün
In a bid to resolve lingering problems in cosmology, more focus is being tilted towards cosmological models in which physical constants of nature are not necessarily real constants…
Shadow and weak deflection angle of extended uncertainty principle black hole surrounded with dark matter
Reggie C. Pantig, Paul K. Yu, Emmanuel T. Rodulfo +1
In this paper, we discuss the possible effects of dark matter on a Schwarzschild black hole with the correction of extended uncertainty principle (EUP), such as the parameter a…
Weak deflection angle by Casimir wormhole using Gauss-bonnet theorem and its shadow
Wajiha Javed, Ali Hamza, Ali Övgün
In this paper, we calculate the weak deflection angle by Casimir wormhole and its shadow. To do so, we derive the Gaussian optical curvature and use the Gauss-Bonnet theorem. Then…