Gauge-invariant flow equation

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 i...

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Bibliographic Details
Main Author: C. Wetterich
Format: Article
Language:English
Published: Elsevier 2018-06-01
Series:Nuclear Physics B
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321318301111