An emergent universe supported by a nonlinear sigma model

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Abstract

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We suggest the use of a nonlinear sigma model as the source which supports an emergent universe. The two-component nonlinear sigma model is considered as the simplest model containing inflaton and auxiliary chiral fields.
10 pages, To appear in Class. Quantum. Grav

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/229606

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0904.0773
 http://arxiv.org/abs/0904.0773
 Class.Quant.Grav.26:075017,2009
 doi:10.1088/0264-9381/26/7/075017

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arXiv