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Abstract: In this work a general formalism for the accretion of dark energy ontoastronomical objects, black holes and wormholes, is considered. It is shownthat in models with four dimensions or more, any singularity with a divergencein the Hubble parameter may be avoided by a big trip, if it is assumed thatthere is no coupling between the bulk and this accreting object. If this is notthe case in more than four dimensions, the evolution of the cosmological objectdepends on the particular model.



Author: Prado Martin-Moruno

Source: https://arxiv.org/







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