3 papers
gr-qc2025
Gravitational Lensing by a Dark Compact Object in Modified Gravity and Observational Constraints from Einstein Rings
Nagina Rehman, Zoe C. S. Chan, Mubasher Jamil +1
In this manuscript, we provide a comprehensive study of gravitational lensing by dark compact objects predicted by a Modified Gravity (MOG) based on the Scalar-Vector-Tensor action…
gr-qc2025
Periodic orbits of neutral test particles in Reissner-Nordström naked singularities
Zoe C S Chan, Yen-Kheng Lim
We conduct studies on Levin's taxonomy of periodic orbits for neutral test particles around a Reissner-Nordström naked singularity. It was known that naked singularities could har…
gr-qc2024
Gravitational Lensing and Image Distortion by Buchdahl Inspired Metric in Gravity
Shafia Maryam, Mubasher Jamil, Mustapha Azreg-Aïnou +1
We investigate gravitational lensing by \textit{special} Buchdahl inspired metric with the Buchdahl parameter . In strong deflection limit, we derive the deflection angl…