Orbits of particles in noncommutative Schwarzschild spacetime

Abstract

By considering particles as smeared objects, we investigate the effects of space noncommutativity on the orbits of particles in Schwarzschild spacetime. The effects of space noncommutativity on the value of the precession of the perihelion of particle orbit and deflection of light ray in Schwarzschild geometry are calculated and the stability of circular orbits is discussed.

14 Pages, 2 eps Figures, accepted for publication in Europhysics Letters

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• Geodesic equation in non-commutative gauge theory of gravity
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• Gravitational measurements in higher dimensions
• One more step toward the noncommutative brane inflation