Phantom cosmologies

Details Phantom cosmologies Phantom cosmologies

2003-07-14

arxiv.org/abs/hep-th/0307128v2

Phys.Rev.D68:103519,2003

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, Revtex4, 10 figures, an improved version. references added

Scientific paper

10.1103/PhysRevD.68.103519

We discuss a class of phantom ($p < - \varrho$) cosmological models. Except for phantom we admit various forms of standard types of matter and discuss the problem of singularities for these cosmologies. The singularities are different from those of standard matter cosmology since they appear for infinite values of the scale factor. We also find an interesting relation between the phantom models and standard matter models which is like the duality symmetry of string cosmology.

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