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Testing the bulk viscosity within the f(R,T) gravity in light of DESI-DR2 observations
We investigate the cosmological implications of the bulk viscosity within the framework of $f(R,T)$ gravity by considering the linear model $f(R,T)=R+2λT$, where $λ$ characterizes the matter--geometry coupling. Assuming a homogeneous and isotropic Friedmann--Lemaître--Robertson--Walker Universe, we
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