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- W1999780636 abstract "One of the most remarkable phenomena in Loop Quantum Cosmology is that, at least for homogeneous cosmological models, the Big Bang is replaced with a Big Bounce that connects our universe with a previous branch without passing through a cosmological singularity. The goal of this work is to study the existence of singularities in Loop Quantum Cosmology including inhomogeneities and check whether the behavior obtained in the purely homogeneous setting continues to be valid. With this aim, we focus our attention on the three-torus Gowdy cosmologies with linearly polarized gravitational waves and use effective dynamics to carry out the analysis. For this model, we prove that all the potential cosmological singularities are avoided, generalizing the results about resolution of singularities to this scenario with inhomogeneities. We also demonstrate that, if a bounce in the (Bianchi background) volume occurs, the inhomogeneities increase the value of this volume at the bounce with respect to its counterpart in the homogeneous case." @default.
- W1999780636 created "2016-06-24" @default.
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- W1999780636 date "2013-10-28" @default.
- W1999780636 modified "2023-10-17" @default.
- W1999780636 title "Singularity avoidance in the hybrid quantization of the Gowdy model" @default.
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- W1999780636 doi "https://doi.org/10.1103/physrevd.88.084050" @default.
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