2 papers
gr-qc2024
Cosmic Acceleration and the notion of Alternative Vacuum in Nash Theory
Soumya Chakrabarti, Soumya Bhattacharya, Rabin Banerjee +1
We argue that Nash theory, a quadratic theory of Gravity, can describe a late-time cosmic acceleration without any exotic matter or cosmological constant. The observational viabili…
hep-th2024
Sengupta Transformations and Carrollian Relativistic Theory
Rabin Banerjee, Soumya Bhattacharya, Bibhas Ranjan Majhi
A detailed and systematic formulation of Carrollian relativity is provided. Based on the transformations, first provided by Sengupta [19], we construct a mapping between Lorentz re…