On Noncommutative Minisuperspace and the Friedmann equations

Details On Noncommutative Minisuperspace and the Friedmann equations On Noncommutative Minisuperspace and the Friedmann equations

2008-12-22

arxiv.org/abs/0812.4251v1

Phys.Lett.B697:271-274,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, no figures, revtex

Scientific paper

10.1016/j.physletb.2011.02.012

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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