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

A. L. Naves de Oliveira (DF/UEL); M. E. X. Guimaraes (MAT/UnB); M. Leineker Costa (IF/UnB)

arxiv: gr-qc/0507109 · v2 · pith:27IFCBS5new · submitted 2005-07-26 · 🌀 gr-qc · astro-ph· hep-th

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

M. Leineker Costa (IF/UnB) , A. L. Naves de Oliveira (DF/UEL) , M. E. X. Guimaraes (MAT/UnB) This is my paper

classification 🌀 gr-qc astro-phhep-th

keywords behaviourcurvesdilatonicflatgalaxiesrotationalanalysecircular

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

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