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Multi-field inflation: Formulation, effective theory and phenomenology
We have described how to obtain the non-perturbative low energy effective field theory of single field inflation from a generic multi-field model by integrating out heavy fields. The features of heavy physics is described by the effective speed of sound, which leaves distinctive observational signat...
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| Lenguaje: | eng |
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2014
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| Acceso en línea: | https://dx.doi.org/10.1088/1742-6596/484/1/012057 http://cds.cern.ch/record/2025660 |