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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| Main Authors: | , , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
06 February 2023
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| 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 |
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| 520 | |a 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. | ||
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