Chaudhary, Himanshu; Mandal, Ratul; Bashir, Masroor; Sharma, Vipin Kumar; Debnath, Ujjal
(IOP Publishing, 2026-04)
We investigated a time-varying cosmological constant model using recent BAO measurements from DESI DR2, combined with Type Ia supernova samples (Pantheon +, DES-Dovekie, and Union3) and CMB shift parameters, to constrain ...