Late-time oscillatory behaviour for self-gravitating scalar fields

Details Late-time oscillatory behaviour for self-gravitating scalar fields Late-time oscillatory behaviour for self-gravitating scalar fields

2006-11-16

arxiv.org/abs/gr-qc/0611088v2

Class.Quant.Grav.24:667-678,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, additional references

Scientific paper

10.1088/0264-9381/24/3/010

This paper investigates the late-time behaviour of certain cosmological models where oscillations play an essential role. Rigorous results are proved on the asymptotics of homogeneous and isotropic spacetimes with a linear massive scalar field as source. Various generalizations are obtained for nonlinear massive scalar fields, $k$-essence models and $f(R)$ gravity. The effect of adding ordinary matter is discussed as is the case of nonlinear scalar fields whose potential has a degenerate zero.

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