Smooth dynamical (de)-phantomization of a scalar field in simple cosmological models

Details Smooth dynamical (de)-phantomization of a scalar field in simple cosmological models Smooth dynamical (de)-phantomization of a scalar field in simple cosmological models

2005-05-18

arxiv.org/abs/gr-qc/0505087v2

Phys.Rev.D72:043531,2005

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Some misprints are corrected and references are added

Scientific paper

10.1103/PhysRevD.72.043531

Simple scalar field cosmological models are considered describing gravity assisted crossing of the phantom divide line. This crossing or (de)-phantomization characterized by the change of the sign of the kinetic term of the scalar field is smooth and driven dynamically by the Einstein equations. Different cosmological scenarios, including the phantom phase of matter are sketched.

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