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gr-qc2024★ 2 cited
Galactic dynamics in the presence of scalaron: A perspective from gravity
Gayatri Mohan, Umananda Dev Goswami
We consider modified gravity theory incorporating the chameleon mechanism to address galactic dynamics. By employing the metric formalism and utilizing a conformal transform…
gr-qc2023★ 18 cited
Quasinormal modes, temperatures and greybody factors of black holes in a generalized Rastall gravity theory
Ronit Karmakar, Umananda Dev Goswami
We introduce a modification in the energy-momentum conservation violating Rastall's theory of gravity and obtain a Reissner-Nordström-type black hole solution in spacetime surround…