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$\delta N$ formalism from superpotential and holography
We consider the superpotential formalism to describe the evolution of scalar fields during inflation, generalizing it to include the case with non-canonical kinetic terms. We provide a characterization of the attractor behaviour of the background evolution in terms of first and second slow-roll para...
Autores principales: | Garriga, Jaume, Urakawa, Yuko, Vernizzi, Filippo |
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Lenguaje: | eng |
Publicado: |
2015
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2016/02/036 http://cds.cern.ch/record/2055073 |
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