Quintessential solution of dark matter rotation curves and its simulation by extra dimensions

Details Quintessential solution of dark matter rotation curves and its simulation by extra dimensions Quintessential solution of dark matter rotation curves and its simulation by extra dimensions

2003-03-09

arxiv.org/abs/gr-qc/0303031v3

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, LaTeX file, 4 eps-figures, references added

Scientific paper

On the base of an exact solution for the static spherically symmetric Einstein equations with the quintessential dark matter, we explain the asymptotic behavior of rotation curves in spiral galaxies. The parameter of the quintessence state, i.e. the ratio of its pressure to the density is tending to -1/3. We present an opportunity to imitate the relevant quintessence by appropriate scalar fields in the space-time with extra 2 dimensions.

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