Generalized self-similar scalar-tensor theories |
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Authors: | Email author" target="_blank">J?A?BelinchónEmail author |
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Institution: | 1.Dept. Física Atómica, Molecular y Nuclear,Universidad Complutense de Madrid,Madrid,Spain |
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Abstract: | In order to analyze how the gravitational constant, G, and the cosmological constant, Λ, may vary we study through symmetry principles the form of the functions in the generalized scalar-tensor theories under
the self-similar hypothesis. The results obtained are absolutely general and valid for all the Bianchi models and the flat
FRW one. We study the concrete example of the Kantowski–Sachs model finding some new exact self-similar solutions. |
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Keywords: | |
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