Santosh Kumar Yadav

most citedBouncing Cosmological Models and Energy Conditions in

f (Q, L_{m})

gravity

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physics.gen-ph2026

Probing dark energy dynamics through a new CPL-type $O m (z)$ parametrization in FLRW Universe

D. Revanth Kumar, Santosh Kumar Yadav, S. A. Kadam

In this work, we investigate a CPL-type $O m (z)$ parametrization given by $O m (z) = l + m (\frac{z}{1 + z})$ to study the evolution of dark energy and possible deviations from th…

physics.gen-ph2026

Constraining Dark Energy Dynamics in Curved Spacetime with Current Observations

D. Revanth Kumar, Santosh Kumar Yadav

We investigate a dark energy (DE) equation of state (EoS) parametrization in a curved spacetime using current observations. We constrain the model parameters by using observational…

physics.gen-ph2026

Observational tests of \texorpdfstring{ $Λ (t)$ }{Lambda(t)} cosmology in light of DESI DR2

D. Revanth Kumar, Santosh Kumar Yadav, S. A. Kadam

In this article, we investigate two phenomenological decaying vacuum cosmological models describing the accelerated expansion of the Universe. We constrain the model parameters usi…

Probing dark energy dynamics through a new CPL-type Om(z) parametrization in FLRW Universe

Constraining Dark Energy Dynamics in Curved Spacetime with Current Observations

Observational tests of \texorpdfstring{Λ(t)}{Lambda(t)} cosmology in light of DESI DR2

Probing dark energy dynamics through a new CPL-type $O m (z)$ parametrization in FLRW Universe

Observational tests of \texorpdfstring{ $Λ (t)$ }{Lambda(t)} cosmology in light of DESI DR2