Dynamical Cosmological Constant in R        3 Gravity

Nasser Zare; Mohsen Fathi

doi:10.1007/s10773-014-2298-z

Dynamical Cosmological Constant in R ³ Gravity

Nasser Zare
, Mohsen Fathi

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, we go through the famous f(R) theories of gravity, but keeping a peculiar one, namely R³ modification. Moreover, instead of a coordinate free cosmological parameter, we take it to be a function of time. Having all these stuff, we investigate the notions of standard cosmology model, in the context of R³ modification to general relativity, and in various regimes, we study the dynamical cosmological constant.

Original language	English
Pages (from-to)	1059-1065
Number of pages	7
Journal	International Journal of Theoretical Physics
Volume	54
Issue number	3
DOIs	https://doi.org/10.1007/s10773-014-2298-z
State	Published - Mar 2014
Externally published	Yes

Keywords

Cosmological parameters
Dark energy
f(R) gravity
Specific modifications

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10.1007/s10773-014-2298-z

Cite this

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abstract = "In this paper, we go through the famous f(R) theories of gravity, but keeping a peculiar one, namely R3 modification. Moreover, instead of a coordinate free cosmological parameter, we take it to be a function of time. Having all these stuff, we investigate the notions of standard cosmology model, in the context of R3 modification to general relativity, and in various regimes, we study the dynamical cosmological constant.",

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KW - Cosmological parameters

KW - Dark energy

KW - f(R) gravity

KW - Specific modifications

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Dynamical Cosmological Constant in R ³ Gravity

Abstract

Keywords

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