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General Relativity and Quantum Cosmology

arXiv:0711.4300 (gr-qc)
[Submitted on 27 Nov 2007 (v1), last revised 6 Feb 2008 (this version, v2)]

Title:Reconstruction of scalar potentials in two-field cosmological models

Authors:Alexander A. Andrianov, Francesco Cannata, Alexander Y. Kamenshchik, Daniele Regoli
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Abstract: We study the procedure of the reconstruction of phantom-scalar field potentials in two-field cosmological models. It is shown that while in the one-field case the chosen cosmological evolution defines uniquely the form of the scalar potential, in the two-field case one has an infinite number of possibilities. The classification of a large class of possible potentials is presented and the dependence of cosmological dynamics on the choice of initial conditions is investigated qualitatively and numerically for two particular models.
Comments: final version, to appear in JCAP
Subjects: General Relativity and Quantum Cosmology (gr-qc); Astrophysics (astro-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:0711.4300 [gr-qc]
  (or arXiv:0711.4300v2 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.0711.4300
Journal reference: JCAP0802:015,2008
Related DOI: https://doi.org/10.1088/1475-7516/2008/02/015

Submission history

From: Alexander Kamenshchik [view email]
[v1] Tue, 27 Nov 2007 16:42:15 UTC (144 KB)
[v2] Wed, 6 Feb 2008 17:59:43 UTC (144 KB)
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