3 papers
gr-qc2026
Polarization States and Effective Stress Energy Tensor of Gravitational Waves in Metric Gravity
Sakshi Srivastava, Utkal Keshari Dash, Murli Manohar Verma
We investigate the polarization properties and effective stress--energy tensor of gravitational waves in metric gravity within the linearized approximation around Minkowski…
physics.gen-ph2026
Cosmic Structure Formation in a Viable Power-Law f(R) Gravity Model: Growth Dynamics, Stability, and Observational Signatures
Murli Manohar Verma
We investigate the evolution of cosmic structures in the power-law modified gravity model , where the dimensionless parameter characterizes deviations…
gr-qc2025
Variation in the size of the Photon Sphere and Black Hole Shadow in the Modified Gravity
Ajay Kumar Sharma, Kanav Ganguly, Murli Manohar Verma
Black hole shadows are a widespread topic in astrophysics. This paper searches for an optical view of the black hole and the relationship between black hole shadow and photon spher…