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Mimicking transPlanckian effects in the CMB with conventional physics
We investigate the possibility that fields coupled to the inflaton can influence the primordial spectrum of density perturbations through their coherent motion. For example, the second field in hybrid inflation might be oscillating at the beginning of inflation rather than at the minimum of its pote...
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| Lenguaje: | eng |
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2003
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| Acceso en línea: | https://dx.doi.org/10.1007/BF02705362 http://cds.cern.ch/record/609433 |