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A note on non singular Einstein-Aether cosmologies

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arxiv 2003.08204 v2 pith:6LCL62GB submitted 2020-03-17 gr-qc

Alessandro Casalino , Lorenzo Sebastiani , Sergio Zerbini This is my paper · ORCID
classification gr-qc
keywords einstein-aetherflatflrwsingularspace-timeapproachbouncecosmologies
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An effective Lagrangian approach based on an extended Einstein-Aether (EA) model is presented and formulated in a generic non flat Fridman-Lemaitre-Robertson-Walker (FLRW) space-time. For a flat FLRW space-time, a Friedmann equation similar to the one obtained in Quantum Loop Cosmology (QLC) is reproduced, with related non singular bounce solution. Finally, the Static Spherically Symmetric (SSS) solutions are investigated.

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