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20102023
most citedEcho of interactions in the dark sector

227 citations · 2.6k across the 37 of their papers we have counts for

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11 papers · 1 filter

gr-qc2018★ 59 cited

Cosmological implications of scale-independent energy-momentum squared gravity: Pseudo nonminimal interactions in dark matter and relativistic relics

Ozgur Akarsu, Nihan Katirci, Suresh Kumar +2

In this paper, we introduce a scale-independent energy-momentum squared gravity (EMSG) that allows different gravitational couplings for different types of sources, which may lead…

gr-qc2017★ 94 cited

Cosmic acceleration in dust only Universe via energy-momentum powered gravity

Ozgur Akarsu, Nihan Katirci, Suresh Kumar

We propose a modified theory of gravitation constructed by the addition of the term to the Einstein-Hilbert action, and elaborate a particular case $f(T_{μν}T^{μν…

gr-qc2015★ 6 cited

Consistency of the nonflat CDM model with the new result from BOSS

Suresh Kumar

Using 137,562 quasars in the redshift range from the Data Release 11 (DR11) of the Baryon Oscillation Spectroscopic Survey (BOSS) of Sloan Digital Sky Survey (SD…

gr-qc2014★ 3 cited

Probing the matter and dark energy sources in a viable Big Rip model of the Universe

Suresh Kumar

Chevallier-Polarski-Linder (CPL) parametrization for the equation of state of dark energy in terms of cosmic redshift or scale factor have been frequently studied in the literature…

gr-qc2013★ 163 cited

Cosmology with hybrid expansion law: scalar field reconstruction of cosmic history and observational constraints

Ozgur Akarsu, Suresh Kumar, R. Myrzakulov +2

In this paper, we consider a simple form of expansion history of Universe referred to as the hybrid expansion law - a product of power-law and exponential type of functions. The an…

gr-qc2013★ 75 cited

Probing kinematics and fate of the Universe with linearly time-varying deceleration parameter

Ozgur Akarsu, Tekin Dereli, Suresh Kumar +1

The parametrizations and (Chevallier-Polarski-Linder parametrization) of deceleration parameter, which are linear in cosmic redshift and sca…