Algebraic expansions for curvature coupled scalar field models

Details Algebraic expansions for curvature coupled scalar field models Algebraic expansions for curvature coupled scalar field models

2005-04-25

arxiv.org/abs/gr-qc/0504119v2

Class.Quant.Grav. 22 (2005) 4363-4376

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16 pages, no figures; v2: typos corrected, references added

Scientific paper

10.1088/0264-9381/22/20/015

A late time asymptotic perturbative analysis of curvature coupled complex scalar field models with accelerated cosmological expansion is carried out on the level of formal power series expansions. For this, algebraic analogues of the Einstein scalar field equations in Gaussian coordinates for space-time dimensions greater than two are postulated and formal solutions are constructed inductively and shown to be unique. The results obtained this way are found to be consistent with already known facts on the asymptotics of such models. In addition, the algebraic expansions are used to provide a prospect of the large time behaviour that might be expected of the considered models.

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