Raychaudhuri-based reconstruction of anisotropic Einstein-Maxwell equation in 1+3 covariant formalism of f(R)f(R)-gravity

preprint2020arXivOpen access

Abstract

Recently, a new strategy to the reconstruction of f(R)f(R)-gravity models based on the Raychaudhuri equation has been suggested by Choudhury et al. In this paper, utilizing this method, the reconstruction of anisotropic Einstein-Maxwell equation in the 1+31+3 covariant formalism of f(R)f(R)-gravity is investigated in four modes: i.i. Reconstruction from a negative constant deceleration parameter refereeing to an ever-accelerating universe; ii.ii. Reconstruction from a constant jerk parameter j=1j=1 which recovers celebrated ΛCDMΛ\text{CDM} mode of evolution; iii.iii. Reconstruction from a variable jerk parameter j=Q(t)j=Q(t); and iv.iv. Reconstruction from a slowly varying jerk parameter. Furthermore, two suggestions for enhancing the method are proposed.

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