Can Non-Adiabatic Perturbations Arise After Single-Field Inflation?
arXiv:astro-ph/0401313 · doi:10.1103/PhysRevD.70.043541
Abstract
It is shown that non-adiabatic cosmological perturbations cannot arise during the period of reheating following inflation with a single scalar inflaton field.
arXiv comment7 pages, Latex, references added, discussion improved
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- Probing Compensated Isocurvature with the 21-cm Signal during Cosmic Dawn
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- Optimal bispectrum constraints on single-field models of inflation
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- Gravity of Cosmological Perturbations in the CMB
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- Non-Adiabatic Perturbations from Single-Field Inflation