Stable accelerating universe with no hair

Details Stable accelerating universe with no hair Stable accelerating universe with no hair

2002-03-22

arxiv.org/abs/hep-th/0203210v1

Phys.Rev. D65 (2002) 104035

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, RevTex, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.65.104035

After reviewing the main characteristics of the spacetime of accelerating universes driven by a quintessence scalar field with constant equation of state $\omega$, we investigate in this paper the classical stability of such spaces to cosmological perturbations, particularizing in the case of a closed geometry and equation of state $\omega=-2/3$. We conclude that this space is classically stable and conjecture that accelerating universes driven by quintessential fields have "no-hair".

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