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Excursion into quantum gravity via inflation
journal contribution
posted on 2023-06-08, 18:19 authored by Xavier CalmetXavier Calmet, Veronica SanzThe discovery of B-modes, and their effect on the fit to inflationary parameters, opens a window to explore quantum gravity. In this paper we adopt an effective theory approach to study quantum gravity effects in inflation. We apply this approach to chaotic and ??4 inflation, and find that BICEP2 constrains these new operators to values which are consistent with the effective theory approach. This result opens the possibility to study quantum gravity in a systematic fashion, including its effect on Higgs inflation and other Starobinsky-like models.
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Publication status
- Published
Journal
Physics Letters BISSN
0370-2693Publisher
ElsevierExternal DOI
Volume
737Page range
12-15Department affiliated with
- Physics and Astronomy Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2014-09-18Usage metrics
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