Scalar-Tensor Bianchi VI Models | Zendy

José Antonio Belinchón | Zendy

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Scalar-Tensor Bianchi VI Models

Author(s) -

José Antonio Belinchón

Publication year - 2013

Publication title -

journal of gravity

Language(s) - English

Resource type - Journals

eISSN - 2356-7422

pISSN - 2314-6907

DOI - 10.1155/2013/491905

Subject(s) - scalar (mathematics) , mathematical physics , physics , homogeneous space , tensor (intrinsic definition) , scalar–tensor theory , gravitation , similarity (geometry) , theoretical physics , classical mechanics , scalar field , pure mathematics , mathematics , geometry , computer science , image (mathematics) , artificial intelligence

We study how may vary the gravitational and the cosmological “constants,” ( and ) in several scalar-tensor theories with Bianchi III, , and symmetries. By working under the hypothesis of self-similarity we find exact solutions for two different theoretical models, which are the Jordan-Brans-Dicke (JBD) with and the usual JBD model with potential (that mimics the behaviour of . We compare both theoretical models, and some physical and geometrical properties of the solutions are also discussed putting special emphasis on the study of the isotropization of the solutions

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