2 papers
gr-qc2025
Modified theories of gravity at different curvature scales
Susobhan Mandal, S. Shankaranarayanan
General Relativity (GR) remains the cornerstone of gravitational physics, providing remarkable success in describing a wide range of astrophysical and cosmological phenomena. Howev…
hep-th2025
Can Q-balls describe cosmological and galactic dark matter?
Susobhan Mandal, S. Shankaranarayanan
The Cold Dark Matter (CDM) hypothesis accurately predicts large-scale structure formation and fits the Cosmic Microwave Background temperature fluctuations (CMB). However, observat…