Phantom Cosmic Dynamics: Tracking Attractor and Cosmic Doomsday

Details Phantom Cosmic Dynamics: Tracking Attractor and Cosmic Doomsday Phantom Cosmic Dynamics: Tracking Attractor and Cosmic Doomsday

2003-09-27

arxiv.org/abs/astro-ph/0309746v3

Phys.Rev.D70:043529,2004

Astronomy and Astrophysics

Astrophysics

7 pages, 6 figures; Replaced with the version to be published in Physical Review D. A discussion concerning the quantum stabil

Scientific paper

10.1103/PhysRevD.70.043529

We study the dynamics of phantom model and give the conditions for potentials to admit tracking attractor, de Sitter attractor and big rip attractor. Especially, we show that phantom models with exponential and inverse power law potentials do not admit the tracking attractor solution. The "tachyonic" stability of the system at/near the attractors as well as the quantum stabiltiy have been studied.

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