Journal
NUCLEAR PHYSICS B
Volume 931, Issue -, Pages 262-282Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysb.2018.04.020
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Funding
- [ERC-AdG 290623]
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We propose a closed gauge-invariant functional flow equation for Yang-Mills theories and quantum gravity that only involves one macroscopic gauge field or metric. It is based on a projection on physical and gauge fluctuations. Deriving this equation from a functional integral we employ the freedom in the precise choice of the macroscopic field and the effective average action in order to realize a closed and simple form of the flow equation. (C) 2018 The Author. Published by Elsevier B.V.
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