Qualitative and numerical analysis of a cosmological model based on a phantom scalar field with self-interaction

Qualitative and numerical analysis of a cosmological model based on a phantom scalar field with... We investigate the asymptotic behavior of a cosmological model based on a phantom scalar field by qualitative analysis of the set of differential equations. We show that, as opposed to models with a classical scalar field, such models have stable asymptotic solutions with a constant value of the potential both in the infinite past and the infinite future. We also develop numerical models of the cosmological evolution with a phantom scalar field. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Gravitation and Cosmology Springer Journals

Qualitative and numerical analysis of a cosmological model based on a phantom scalar field with self-interaction

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Publisher
Pleiades Publishing
Copyright
Copyright © 2017 by Pleiades Publishing, Ltd.
Subject
Physics; Classical and Quantum Gravitation, Relativity Theory; Astronomy, Observations and Techniques; Astrophysics and Astroparticles; Quantum Physics
ISSN
0202-2893
eISSN
1995-0721
D.O.I.
10.1134/S0202289317030070
Publisher site
See Article on Publisher Site

Abstract

We investigate the asymptotic behavior of a cosmological model based on a phantom scalar field by qualitative analysis of the set of differential equations. We show that, as opposed to models with a classical scalar field, such models have stable asymptotic solutions with a constant value of the potential both in the infinite past and the infinite future. We also develop numerical models of the cosmological evolution with a phantom scalar field.

Journal

Gravitation and CosmologySpringer Journals

Published: Aug 24, 2017

References

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