Quantum cosmology with a minimal length

Details Quantum cosmology with a minimal length Quantum cosmology with a minimal length

2008-02-05

arxiv.org/abs/0802.0688v2

Int.J.Mod.Phys.A23:1257-1265,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, 3 figures; to appear in the proceedings of the II Stueckelberg Workshop, Int.J.Mod.Phys.A, references added

Scientific paper

10.1142/S0217751X08040184

Quantum cosmology in the presence of a fundamental minimal length is analyzed in the context of the flat isotropic and the Taub cosmological models. Such minimal scale comes out from a generalized uncertainty principle and the quantization is performed in the minisuperspace representation. Both the quantum Universes are singularity-free and (i) in the isotropic model no evidences for a Big-Bounce appear; (ii) in the Taub one a quasi-isotropic configuration for the Universe is predicted by the model.

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