Does the Big Rip survive quantization?

Details Does the Big Rip survive quantization? Does the Big Rip survive quantization?

2006-06-19

arxiv.org/abs/gr-qc/0606084v2

Gen. Rel. Grav. {\bf 38}, 1609 (2006)

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Ref. [21] added, abstract slightly changed

Scientific paper

10.1007/s10714-006-0333-y

It is known that certain quantum cosmological models present quantum behavior for large scale factors. Since quantization can suppress past singularities, it is natural to inquire whether quantum effects can prevent future singularities. To this end, a Friedmann-Robertson-Walker quantum cosmological model dominated by a phantom energy fluid is investigated. The classical model displays accelerated expansion ending in a Big Rip. The quantization is performed in three different ways, which turn out to lead to the same result, namely there is a possibility that quantum gravitational effects could not remove the Big Rip.

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