Effects of deformed phase space on scalar field cosmology

Details Effects of deformed phase space on scalar field cosmology Effects of deformed phase space on scalar field cosmology

2011-11-26

arxiv.org/abs/1111.6136v1

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 1 figure, submitted to PLB

Scientific paper

The effects of phase space deformations in standard scalar field cosmology are studied. The deformation is introduced by modifying the symplectic structure of the minisuperspace variables to have a deformed Poisson algebra among the coordinates and the canonical momenta. It is found that in the deformed minisuperspace model the volume of the universe is non singular. Finally, the late time evolution gives rise to an accelerating scale factor, this acceleration is a consequence of the noncommutative deformation.

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