2006/06/30 by Edésio M. Barboza, Edesio M. Barboza Jr., Nivaldo A. Lemos
Physics and Astronomy · #Dark energy #Differential geometry #Gravitation #Noncommutative and Quantum Gravity Theories #Phantom energy #Quantization (signal processing) #Quantum #Quantum Electrodynamics and Casimir Effect #Quantum Mechanics and Applications #Quantum cosmology #Quantum gravity #gr-qc
paper · pdf · doi:10.1007/s10714-006-0333-y
published as Gen. Rel. Grav. {\bf 38}, 1609 (2006) · Ref. [21] added, abstract slightly changed
openalex publication_date 2006/09/15 · arxiv created 2007/02/26 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
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.