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Can gravitational instantons really constrain axion inflation?

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Axions play a central role in inflationary model building and other cosmological applications. This is mainly due to their flat potential, which is protected by a global shift symmetry. However, quantum gravity is known to break global symmetries, the crucial effect in the present context being grav...

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Main Authors: Hebecker, Arthur (Author) , Mangat, Patrick (Author) , Witkowski, Lukas T. (Author)
Format: Article (Journal)
Language:English
Published: 20 February 2017
In: Journal of high energy physics
Year: 2017, Issue: 02
ISSN:1029-8479
DOI:10.1007/JHEP02(2017)097
Online Access:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1007/JHEP02(2017)097
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP02(2017)097
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Author Notes:Arthur Hebecker, Patrick Mangat, Stefan Theisen and Lukas T. Witkowski
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Can gravitational instantons really constrain axion inflation? by Hebecker, Arthur (Author) , Mangat, Patrick (Author) , Witkowski, Lukas T. (Author) ,


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