Bianchi type-I model with cosmic string in the presence of a magnetic field: spinor description - General Relativity and Quantum CosmologyReportar como inadecuado




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Abstract: A Bianchi type-I cosmological model in the presence of a magnetic flux alonga cosmic string is investigated. A nonlinear spinor field is used to simulatethe cosmological cloud of strings. It is shown that the spinor field simulationoffer the possibility to solve the system of Einstein-s equation without anyadditional assumptions. It is shown that the present model is nonsingular atthe end of the evolution and does not allow the anisotropic Universe to turninto an isotropic one.



Autor: Bijan Saha, Mihai Visinescu

Fuente: https://arxiv.org/







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