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arxiv: hep-th/0310266 · v2 · pith:4WQPZIMJnew · submitted 2003-10-29 · ✦ hep-th

Cosmological Constant and Noncommutativity: A Newtonian point of view

classification ✦ hep-th
keywords cosmologicalconstantmodelnewtoniannoncommutativeparticletrajectoriesappear
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We study a Newtonian cosmological model in the context of a noncommutative space. It is shown that the trajectories of a test particle undergo modifications such that it no longer satisfies the cosmological principle. For the case of a positive cosmological constant, spiral trajectories are obtained and corrections to the Hubble constant appear. It is also shown that, in the limit of a strong noncommutative parameter, the model is closely related to a particle in a G\"odel-type metric.

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