Is noncommutativity related with the smallness of $Λ$?

Details Is noncommutativity related with the smallness of $Λ$? Is noncommutativity related with the smallness of $Λ$?

2008-02-22

arxiv.org/abs/0802.3393v1

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, RevTex 4

Scientific paper

In this letter we study the effects of a noncommutative minisuperspace,
including matter degrees of freedom on a FRW universe with cosmological
constant. In this setting the vacuum energy density can be calculated to be of
the same order as the observed energy density of the universe.

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