Semiclassical suppression of weak anisotropies of a generic Universe - General Relativity and Quantum CosmologyReportar como inadecuado




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Abstract: A semiclassical mechanism which suppresses the weak anisotropies of aninhomogeneous cosmological model is developed. In particular, a wave functionof this Universe having a meaningful probabilistic interpretation is obtainedthat is in agreement with the Copenhagen School. It describes the evolution ofthe anisotropies with respect to the isotropic scale factor which is regardedas a semiclassical variable playing an observer-like role. Near thecosmological singularity the solution spreads over all values of theanisotropies while, when the Universe expands sufficiently, the closedFriedmann-Robertson-Walker model appears to be the favorite state.



Autor: Marco Valerio Battisti, Riccardo Belvedere, Giovanni Montani

Fuente: https://arxiv.org/



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