Galactic rotation curves in noncommutative geometry

Details Galactic rotation curves in noncommutative geometry Galactic rotation curves in noncommutative geometry

2010-11-06

arxiv.org/abs/1011.1538v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, 1 figure

Scientific paper

This paper discusses the observed flat rotation curves of galaxies in the context of noncommutative geometry. The energy density of such a geometry is diffused throughout a region due to the uncertainty encoded in the coordinate commutator. This intrinsic property appears to be sufficient for producing stable circular orbits, as well as attractive gravity, without the need for dark matter.

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