Contributions from Dilatonic Strings to the Flat Behaviour of the Rotational Curves in Galaxies

Details Contributions from Dilatonic Strings to the Flat Behaviour of the Rotational Curves in Galaxies Contributions from Dilatonic Strings to the Flat Behaviour of the Rotational Curves in Galaxies

2005-07-26

arxiv.org/abs/gr-qc/0507109v2

Int.J.Mod.Phys. D15 (2006) 387-394

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

This version to be published in the Int. Journal of Modern Phys. D

Scientific paper

We analyse the flat behaviour of the rotational curves in some galaxies in
the framework of a dilatonic, current-carrying string. We determine the
expression of the tangential velocity of test objects following a stable
circular equatorial orbit in this spacetime.

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