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19 April 2024 |
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Raychaudhuri-based reconstruction of anisotropic Einstein-Maxwell equation in 1+3 covariant formalism of $f(R)$-gravity | | Behzad Tajahmad
; | | Date: |
Fri, 10 Jan 2020 18:52:14 GMT (1874kb,D) | | Abstract: | Recently, a new strategy to the reconstruction of $f(R)$-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 $1+3$ covariant formalism of $f(R)$-gravity is
investigated in four modes: $i.$ Reconstruction from a negative constant
deceleration parameter refereeing to an ever-accelerating universe; $ii.$
Reconstruction from a constant jerk parameter $j=1$ which recovers celebrated
$Lambda ext{CDM}$ mode of evolution; $iii.$ Reconstruction from a variable
jerk parameter $j=Q(t)$; and $iv.$ Reconstruction from a slowly varying jerk
parameter. Furthermore, two suggestions for enhancing the method are proposed. | | Source: | arXiv, 2001.3613 | | Services: | Forum | Review | PDF | Favorites | |
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