Variable Chaplygin Gas: Constraints from Supernovae, BAO, Look Back Time, and GRBs
Abstract
We examine the variable Chaplygin gas (VCG) model with the aim of establishing tight constraints by using type-Ia supernovae, lookback time measurements, Baryon Acoustic Oscillations (BAO) and the Gamma Ray Bursts. We report the parameter constraints obtained via statistical analysis of cosmic observables namely, luminosity distance, BAO distance and lookback time measurement
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