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arxiv: 0812.4251 · v1 · pith:5AGGHRMRnew · submitted 2008-12-22 · 🌀 gr-qc · astro-ph· hep-th

On Noncommutative Minisuperspace and the Friedmann equations

classification 🌀 gr-qc astro-phhep-th
keywords noncommutativeparameterequationsfriedmannminisuperspaceconcludeconstantcontributions
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In this paper we present noncommutative version of scalar field cosmology. We find the noncommutative Friedmann equations as well as the noncommutative Klein-Gordon equation. Interestingly the noncommutative contributions are only present up to second order in the noncommutitive parameter. Finally we conclude that if we want a noncommutative minisuperspace with a constant noncommutative parameter as viable phenomenological model, the noncommuative parameter is very small.

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