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General Relativity and Quantum Cosmology

arXiv:2207.01657 (gr-qc)
[Submitted on 4 Jul 2022 (v1), last revised 6 Jul 2023 (this version, v3)]

Title:Coupled scalar field cosmology with effects of curvature

Authors:Trupti Patil, Sukanta Panda
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Abstract:In the present study, we investigate the interaction between dark energy and dark matter, particularly emphasizing the effects of curvature in the realm of Friedmann-Lemaitre-Robertson-Walker (FLRW) space-time. We examine the system by forming a dynamic set of equations for various critical points. Later, we study their stability characteristics and show that with a suitable choice of potential, the system gives rise to the late-time attractor (stable) solution in the expanding environment. Lastly, we present the cosmological compatibility of the model using the phase-space portrait tools.
Comments: The published version in Eur. Phys. J. Plus
Subjects: General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:2207.01657 [gr-qc]
  (or arXiv:2207.01657v3 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.2207.01657
Journal reference: Eur. Phys. J. Plus (2023) 138:583
Related DOI: https://doi.org/10.1140/epjp/s13360-023-04192-x

Submission history

From: Trupti Patil [view email]
[v1] Mon, 4 Jul 2022 18:13:17 UTC (1,079 KB)
[v2] Wed, 22 Mar 2023 12:49:27 UTC (1,329 KB)
[v3] Thu, 6 Jul 2023 04:06:44 UTC (1,329 KB)
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