Interacting Modified Variable Chaplygin Gas in Non-flat Universe
Mubasher Jamil, Muneer A. Rashid
TL;DR
This paper proposes a unified dark energy and matter model using interacting modified variable Chaplygin gas in a non-flat universe, deriving effective equations of state and exploring phantom energy conditions.
Contribution
It introduces a novel interacting model with a dynamic coupling constant, extending previous Chaplygin gas models to non-flat cosmologies.
Findings
Derived effective equations of state for matter and dark energy.
Identified conditions for phantom energy within the model.
Analyzed the impact of non-gravitational interaction on cosmic evolution.
Abstract
A unified model of dark energy and matter is presented using the modified variable Chaplygin gas for interacting dark energy in a non-flat universe. The two entities interact with each other non-gravitationally which involves a coupling constant. Due to dynamic interaction, the variation in this constant arises that henceforth changes the equations of state of these quantities. We have derived the effective equations of state corresponding to matter and dark energy in this interacting model. Moreover, the case of phantom energy is deduced by putting constraints on the parameters involved.
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