2 papers
astro-ph.CO2026
Tachyonic dark energy- Constraints from current observations
Ramanpreet Singh, Athul CN, H. K. Jassal
Recent observations from the DESI survey have reignited the debate on the true nature of dark energy, challenging the standard model of cosmology. The results suggest a preference…
astro-ph.CO2025
A Critical Reanalysis of Supernova Type Ia Data
Ramanpreet Singh, Athul C N, H. K. Jassal
Cosmological parameter fitting remains crucial, especially with the abundance of available data. While many parameters have been tightly constrained, discrepancies-most notably the…