Cosmic future singularities in Rastall cosmology

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Moradpour Hooman

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Journal Paper

Paper Information

Journal: JOURNAL OF RESEARCH ON MANY BODY SYSTEMS Year:2020 | Volume:10 | Issue:3 Page(s): 101-110

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Title

Cosmic future singularities in Rastall cosmology

Author(s)

Moradpour Hooman | Issue Writer Certificate

Keywords

CosmologyQ1

SingularityQ1

Rastall theoryQ1

Abstract

In this paper, after addressing various future singularities, predicted for Cosmos, an introductory note on Rastall theory is provided. Thereinafter, considering a flat Universe, the Friedmann equations of Rastall theory are derived, and the possibility of obtaining various singularities are studied in two cases. In the first case, the cosmic fluid is an isotropic and homogenous fluid while the ratio of its pressure and density is constant. In the second case, the mentioned ratio is not always constant and Universe evolves with a specified rate. The study claims that whereas it is not predicted any future Singularity for the first model of cosmos, some types of future singularities may be inevitable in the second one.

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APA: Copy

Moradpour, Hooman. (2020). Cosmic future singularities in Rastall cosmology. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, 10(3 ), 101-110. SID. https://sid.ir/paper/383068/en

Vancouver: Copy

Moradpour Hooman. Cosmic future singularities in Rastall cosmology. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS[Internet]. 2020;10(3 ):101-110. Available from: https://sid.ir/paper/383068/en

IEEE: Copy

Hooman Moradpour, “Cosmic future singularities in Rastall cosmology,” JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, vol. 10, no. 3 , pp. 101–110, 2020, [Online]. Available: https://sid.ir/paper/383068/en

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