3 papers
gr-qc2026
Modifications of CMB Temperature and Polarization Quadrupole Signals in Thurston Spacetimes
Tanay Gupta, Sukanta Panda, Rajib Saha
Recent cosmological tests have discovered a fresh new set of anomalies in the large-scale isotropy of the universe. Motivated thus by the numerous pieces of evidence for large-scal…
astro-ph.CO2026
An Analytic Formalism of Inflation for Derivative Coupled Scalar Field and Validating its predictions for Some Inflationary Potentials
Aayush Randeep, Rajib Saha
One of the fundamental objectives of contemporary cosmology is to understand the physics of the inflationary universe, owing to its observably verifiable predictions about the very…
astro-ph.CO2025
Foreground removal and angular power spectrum estimation of 21 cm signal using harmonic space ILC method
Albin Joseph, Rajib Saha
Mapping the distribution of neutral atomic hydrogen (HI) in the Universe through its 21 cm emission line provides a powerful cosmological probe to map the large-scale structures an…