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Abstract: In this note we discuss a toy model in which the value of the effectivecosmological constant is associated with a symmetry properties of the vacuumbackground solution and defined by the model parameter associated with a scalarfield non-minimally coupled to gravity. Although the parameters in the modelseem to have unrealistic values to account for the present value of thecosmological constant, the model demonstrates a possible alternative way it canarise.



Autor: Mikhail N. Smolyakov

Fuente: https://arxiv.org/







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