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arxiv: 0710.3683 · v1 · submitted 2007-10-19 · 🌌 astro-ph · gr-qc· hep-th

Spiral Galaxies Rotation Curves with a Logarithmic Corrected Newtonian Gravitational Potential

classification 🌌 astro-ph gr-qchep-th
keywords galaxiesspiralpotentialrotationconstantcorrectedcorrectioncurves
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We analyze the rotation curves of 10 spiral galaxies with a newtonian potential corrected with an extra logarithmic term, using a disc modelization for the spiral galaxies. There is a new constant associated with the extra term in the potential. The rotation curve of the chosen sample of spiral galaxies is well reproduced for a given range of the new constant. It is argued that this correction can have its origin from string configurations. The compatibility of this correction with local physics is discussed.

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