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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Quintom cosmologies with arbitrary potentials
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Volume 649, No. 2-3, Year 2007
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Description
In this Letter we investigate quintom cosmologies with arbitrary potentials from the dynamical systems perspective. The dynamical systems analysis is complete in the sense that it includes the asymptotic regime where both scalar fields diverge, which proves to be particularly relevant in connection with the existence of tracking phases. The results of the present study indicate that the existence of phantom attractors is not generic: for quintom models there may exist either de Sitter attractors associated with the saddle points of the potential, or tracking attractors in the asymptotic regime where the scalar fields diverge. © 2007 Elsevier B.V. All rights reserved.
Authors & Co-Authors
León, Genly
Cuba, Santa Clara
Universidad Central Marta Abreu de Las Villas
Statistics
Citations: 116
Authors: 1
Affiliations: 2
Identifiers
Doi:
10.1016/j.physletb.2007.03.060
ISSN:
03702693