Infrared limit of quantum gravity
We explore the infrared limit of quantum gravity. For a positive cosmological constant or effective scalar potential, one-loop perturbation theory around flat space is divergent due to an instability of the graviton propagator. Functional renormalization solves this problem by a flow of couplings av...
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| Main Author: | |
|---|---|
| Format: | Article (Journal) Chapter/Article |
| Language: | English |
| Published: |
2018
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| In: |
Arxiv
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| Online Access: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/1802.05947
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| Author Notes: | C. Wetterich, Institut für Theoretische Physik, Universität Heidelberg |
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