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Asymptotic freedom and safety in quantum gravity

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We compute non-perturbative flow equations for the couplings of quantum gravity in fourth order of a derivative expansion. The gauge invariant functional flow equation for arbitrary metrics allows us to extract β-functions for all couplings. In our truncation we find two fixed points. One correspond...

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Main Authors: Sen, Saswato (Author) , Wetterich, Christof (Author) , Yamada, Masatoshi (Author)
Format: Article (Journal)
Language:English
Published: March 21, 2022
In: Journal of high energy physics
Year: 2022, Issue: 3, Pages: 1-72
ISSN:1029-8479
DOI:10.1007/JHEP03(2022)130
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP03(2022)130
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Author Notes:Saswato Sen, Christof Wetterich and Masatoshi Yamada
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Asymptotic freedom and safety in quantum gravity by Sen, Saswato (Author) , Wetterich, Christof (Author) , Yamada, Masatoshi (Author) ,


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