Abstract
In this paper, we study in FRW universe the interaction between the viscous Chaplygin gas and the dark energy in the modified gravity theory F(R,T), where T and R are the trace of the energy-momentum tensor and is the Ricci scalar respectively. In this model, the universe is dominated by both components Chaplygin gas and dark energy. We discuss the effect of the bulk viscosity on the dark energy state parameter, this study was carried for two interactions after obtaining the modified Friedmann equations. Finally, we found that both interaction models lead to quintessence phase of the dark energy.
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