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Bouncing cosmological models in a functional form of F(R) gravity

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abstract

We have investigated some bouncing cosmological models in an isotropic and homogeneous space time with the F(R) theory of gravity. Two functional forms of F(R) have been investigated with a bouncing scale factor. The dynamical parameters are derived and analysed along with the cosmographic parameters. The analysis in both the models show the occurrence of bouncing scenario. The violation of strong energy conditions in both models is also shown. In the stability point of view we have analysed the behaviour of F_R = dF/dR with respect to cosmic time and both the models exhibit stable behaviour.

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representative citing papers

Bouncing Cosmology in Interacting Scalar-Torsion Gravity

gr-qc · 2025-08-30 · conditional · novelty 3.0

Two interacting scalar-torsion models are shown, by tuned numerical construction, to host a matter bounce with phantom equation of state and NEC violation at the bounce epoch.

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  • Bouncing Cosmology in Interacting Scalar-Torsion Gravity gr-qc · 2025-08-30 · conditional · none · ref 12 · internal anchor

    Two interacting scalar-torsion models are shown, by tuned numerical construction, to host a matter bounce with phantom equation of state and NEC violation at the bounce epoch.