Cosmographic analysis of a closed bouncing universe with the varying cosmological constant in $f(R,T)$ gravity
Vinod Kumar Bhardwaj,
Anirudh Pradhan,
Nasr Ahmed
et al.
Abstract:Modeling of matter bounce in f (R, T ) gravity has been presented with no violation of the null energy condition. Only a closed universe with negative pressure is allowed in good agreement with some recent observations which favor a universe with positive curvature. Our results agree with some recent works in which a combination of positive curvature and vacuum energy leads to non-singular bounces with no violation of the null energy condition. The stability of the model has been discussed. The cosmographic pa… Show more
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