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Dark Energy Model with Canonical Scalar Field and Non-Linear Born–Infeld Type Scalar Field.

Authors :
Zhang Ke-Feng
Fang Wei
Lu Hui-Qing
Source :
International Journal of Theoretical Physics. Jul2006, Vol. 45 Issue 7, p1296-1307. 12p. 9 Graphs.
Publication Year :
2006

Abstract

In this paper, we propose the non-linear Born–Infeld scalar field and canonical scalar field dark energy models with the potential $$\frac{\lambda }{4}( {\phi ^2 - \sigma ^2 })^2 + V_0$$ , which admits late time de Sitter attractor solution. The attractor solution corresponds to an equation of state ω_φ → − 1 and a cosmic density parameter Ω_φ → 1, which are important features for a dark energy model that can meet the current observations. dark energy; canonical scalar field, non-linear Born–Infeld type scalar field, attractor solution. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00207748
Volume :
45
Issue :
7
Database :
Academic Search Index
Journal :
International Journal of Theoretical Physics
Publication Type :
Academic Journal
Accession number :
21625753
Full Text :
https://doi.org/10.1007/s10773-006-9147-7