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gr-qc2025
Emergent Universe Scenario in the Modified Chaplygin gas : Towards an Exact Solution and Observational Constraints
D. Panigrahi, S. Chatterjee, B. C. Paul
The Modified Chaplygin Gas (MCG) model is revisited as a unified framework for describing cosmic evolution. Due to the nonlinear field equations, exact solutions in cosmic time are…
gr-qc2025
Higher-Dimensional Cosmology in the Framework of Generalized Chaplygin Gas: An Approximation Method
D. Panigrahi, B. C. Paul, S. Chatterjee
We present a higher-dimensional cosmological model with a generalized Chaplygin-type gas to explain the late-time acceleration of the Universe. The model admits dimensional reducti…