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Radiative plateau inflation
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DOI：10.1007/JHEP02(2016)153.png)
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摘要
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We describe how monomial chaotic inflation becomes compatible with the latest CMB data thanks to radiative corrections producing a plateau. The interactions of the inflaton with other fields, required for reheating, can flatten the potential and moderate the production of primordial gravitational waves, keeping these below the current upper bound. We show that the appearance of a plateau requires that the inflaton couples to fermions and to another scalar or a gauge group. We give concrete examples of minimal particle physics models leading to plateaus for quadratic and quartic chaotic inflation. We also provide a three-parameter model-independent description of radiatively corrected inflation that is amenable to CMB analyses.
Keyword:
Cosmology of Theories beyond the SM
Renormalization Group
期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
机构
C
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