Journal
SYMMETRY-BASEL
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/sym11081009
Keywords
dynamical Chern-Simons modified gravity; parametrizations; cosmological parameters
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Funding
- Higher Education Commission, Islamabad, Pakistan [5412/Federal/NRPU/R D/HEC/2016]
- JSPS KAKENHI [JP 25800136]
- Competitive Research Funds for Fukushima University Faculty [18RI009]
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We explore the cosmic evolution of the accelerating universe in the framework of dynamical Chern-Simons modified gravity in an interacting scenario by taking the flat homogeneous and isotropic model. For this purpose, we take some parametrizations of the equation of state parameter. This parametrization may be a Taylor series extension in the redshift, a Taylor series extension in the scale factor or any other general parametrization of omega. We analyze the interaction term which calculates the action of interaction between dark matter and dark energy. We explore various cosmological parameters such as deceleration parameter, squared speed of sound, Om-diagnostic and statefinder via graphical behavior.
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