2 papers
gr-qc2026
Non-Commutative fluid: an alternative source of cosmic acceleration
Raj Kumar Das, Arpan Krishna Mitra
We present a novel formulation for the Hubble parameter derived from Newtonian cosmology, incorporating non-commutative fluid dynamics through a deformed Poisson bracket structure.…
astro-ph.CO2025
Parametrizing the Hubble function instead of dark energy: Many possibilities
Sivasish Paul, Raj Kumar Das, Supriya Pan
In the present article, we propose a very simple parametrization of the Hubble function without parametrizing the dark components of the Universe. One of the novelties of the param…