Singularities in Silent Universes: State of the Art
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After a brief overview of the so-called silent models and their present status, we consider the subclass of Bianchi Type--I models with a magnetic field source. Due to the presence of the magnetic field, the initial singularity shows ``oscillatory'' features reminiscent of the Bianchi Type--IX case. The Bianchi Type--I models with a magnetic field are therefore a counterexample to the folklore that matter fields can be neglected in the vicinity of the singularity.
6 papes, Proceedings of the 12th Italian Conference of General Relativity and Gravitational Physics, style included
6 papes, Proceedings of the 12th Italian Conference of General Relativity and Gravitational Physics, style included