2 papers
astro-ph.CO2026
Interacting dark energy after DESI DR2: a challenge for CDM paradigm?
Supriya Pan, Sivasish Paul, Emmanuel N. Saridakis +1
We investigate the scenario of interacting dark energy through a detailed confrontation with various observational datasets. We quantify the interaction in a general way, through t…
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…