Cosmic acceleration a new review
O.A. Lemets, D.A. Yerokhin

TL;DR
This paper reviews the phenomenon of transient cosmic acceleration and demonstrates that a 3-component universe model with scalar field interaction on an agegraphic dark energy background can reproduce this acceleration, aligning with recent supernova observations.
Contribution
It introduces a novel 3-component universe model with scalar field interaction that explains transient acceleration consistent with recent observational data.
Findings
Transient acceleration appears in the proposed model.
Model results agree with the 557 SNIa Union2 data.
The model provides a viable explanation for decreasing cosmic acceleration.
Abstract
Recent observations of near supernova show that the acceleration expansion of Universe decreases. This phenomenon is called the transient acceleration. In the second part of work we consider the 3-component Universe composed of a scalar field, interacting with the dark matter on the agegraphic dark energy background. We show that the transient acceleration appears in frame of such a model. The obtained results agree with the latest cosmological observations, namely, the 557 SNIa sample (Union2) was released by the Supernova Cosmology Project (SCP) Collaboration.
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Taxonomy
TopicsCosmology and Gravitation Theories · Solar and Space Plasma Dynamics · Gamma-ray bursts and supernovae
