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astro-ph.CO2024
Exploring velocity dispersion anisotropy in a dark matter dominated ultra-diffuse galaxy with modified gravity models
Esha Bhatia, Sayan Chakrabarti, Sovan Chakraborty
The kinematics of the ultra-diffuse galaxy (UDG) NGC1052-DF44 is primarily influenced by the presence of dark matter (DM). In this paper, we conduct a contrasting kinematic study o…
gr-qc2024
Phenomenology of renormalization group improved gravity from the kinematics of SPARC galaxies
Esha Bhatia, Sayan Chakrabarti, Sovan Chakraborty
Renormalization Group correction to General Relativity (RGGR) proposes a logarithmic running of the gravitational coupling , resulting in a modified description of…