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Rotation curves, dark matter and general relativity

Published online by Cambridge University Press:  01 August 2006

Patricio S. Letelier*
Affiliation:
Departamento de Matemática Aplicada-IMECC, Universidade Estadualde Campinas, 13083-970 Campinas, S. P., Brazil
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Abstract

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We study the possibility of pure general relativistic models without exotic matter to describe the observed flattening of the rotation curves for stars moving in circular orbits in a galaxy disk. In particular we consider the dragging of inertial frames (rotation of the source) and the presence of a Taub–NUT (Newman–Unti–Tamburino) “charge”, the gravitational equivalent to a magnetic monopole in electrodynamics.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2007

References

González, G. A. & Letelier, P. S. 2000, Phys. Rev. D, 62, 064025CrossRefGoogle Scholar
Vogt, D. & Letelier, P. S. 2005, MNRAS, 363, 268CrossRefGoogle Scholar
Cooperstock, F. I. & Tieu, S. 2005, astro-ph/051204.Google Scholar
Vogt, D. & Letelier, P. S. 2005, astro-ph/0510750.Google Scholar