Abstract Details

Name: Udish Sharma
Affiliation: St Stephen's College, University of Delhi
Conference ID : ASI2024_553
Title : Cosmological Constraints on the Variable Chaplygin Gas model parameters
Authors : Udish Sharma, Nadia Makhijani, Geetanjali Sethi
Authors Affiliation: Udish Sharma, Nadia Makhijani, Geetanjali Sethi ( St. Stephen's College, Delhi-110007, India)
Mode of Presentation: Poster
Abstract Category : Galaxies and Cosmology
Abstract : We compile the cosmological constraints on the Variable Chaplygin gas model from the various observational data: FRBs, Pantheon data set for SNe Ia, Platinum Sample of Gamma Ray Bursts (GRB) and GWTC-3 of gravitational wave merger events. Variable Chaplygin gas is a model of interacting dark matter and dark energy, which interpolates from a dust-dominated era to a quintessence-dominated era. The model is shown to be compatible with various Cosmological data. We have recently obtained tighter constraints on cosmological parameters $B_s$ and $n$, using the FRB data set $n= 1.26±1.24$ and $B_s = 0.17 ±0.10$ .In this poster, we have summarized our results and previously obtained constraints.