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Ricci Reheating
We present a model for viable gravitational reheating involving a scalar field directly coupled to the Ricci curvature scalar. Crucial to the model is a period of kination after inflation, which causes the Ricci scalar to change sign thus inducing a tachyonic effective mass m2 −H2 for the scalar fi...
| Auteurs principaux: | , , |
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| Langue: | eng |
| Publié: |
2019
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| Sujets: | |
| Accès en ligne: | https://dx.doi.org/10.1088/1475-7516/2019/07/016 http://cds.cern.ch/record/2674985 |