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Cornering extended Starobinsky inflation with CMB and SKA

Starobinsky inflation is an attractive, fundamental model to explain the Planck measurements, and its higher-order extension may allow us to probe quantum gravity effects. We show that future CMB data combined with the 21cm intensity map from SKA will meaningfully probe such an extended Starobinsky...

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Bibliographic Details
Main Authors: Modak, Tanmoy (Author) , Röver, Lennart (Author) , Schäfer, Björn Malte (Author) , Schosser, Benedikt (Author) , Plehn, Tilman (Author)
Format: Article (Journal)
Language:English
Published: 03-08-2023
In: SciPost physics
Year: 2023, Volume: 15, Issue: 2, Pages: 1-25
ISSN:2542-4653
DOI:10.21468/SciPostPhys.15.2.047
Online Access:Verlag, kostenfrei, Volltext: https://dx.doi.org/10.21468/SciPostPhys.15.2.047
Verlag, kostenfrei, Volltext: http://arxiv.org/abs/2210.05698
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Author Notes:Tanmoy Modak, Lennart Röver, Björn Malte Schäfer, Benedikt Schosser and Tilman Plehn
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Summary:Starobinsky inflation is an attractive, fundamental model to explain the Planck measurements, and its higher-order extension may allow us to probe quantum gravity effects. We show that future CMB data combined with the 21cm intensity map from SKA will meaningfully probe such an extended Starobinsky model. A combined analysis will provide a precise measurement and intriguing insight into inflationary dynamics, even accounting for correlations with astrophysical parameters.
Item Description:Gesehen am 04.10.2023
Physical Description:Online Resource
ISSN:2542-4653
DOI:10.21468/SciPostPhys.15.2.047

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