Scaling solutions for asymptotically free quantum gravity

We compute scaling solutions of functional flow equations for quantum grav- ity in a general truncation with up to four derivatives of the metric. They connect the asymptotically free ultraviolet fixed point, which is accessible to perturbation theory, to the non-perturbative infrared region. The ex...

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Bibliographic Details
Main Authors: Sen, Saswato (Author) , Wetterich, Christof (Author) , Yamada, Masatoshi (Author)
Format: Article (Journal)
Language:English
Published: 06 February 2023
In: Journal of high energy physics
Year: 2023, Issue: 2, Pages: 1-33
ISSN:1029-8479
DOI:10.1007/JHEP02(2023)054
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP02(2023)054
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP02(2023)054
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Author Notes:Saswato Sen, Christof Wetterich and Masatoshi Yamada
Description
Summary:We compute scaling solutions of functional flow equations for quantum grav- ity in a general truncation with up to four derivatives of the metric. They connect the asymptotically free ultraviolet fixed point, which is accessible to perturbation theory, to the non-perturbative infrared region. The existence of such scaling solutions is necessary for a renormalizable quantum field theory of gravity. If the proposed scaling solution is con- firmed beyond our approximations asymptotic freedom is a viable alternative to asymptotic safety for quantum gravity.
Item Description:Gesehen am 29.03.2023
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP02(2023)054