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: Wetterich, Christof (Author)
Format: Article (Journal)
Language:English
Published: 30 April 2018
In: Nuclear physics. B, Particle physics
Year: 2018, Volume: 931, Pages: 262-282
ISSN:1873-1562
DOI:10.1016/j.nuclphysb.2018.04.020
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nuclphysb.2018.04.020
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0550321318301111
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Author Notes:C. Wetterich
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Summary: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.
Item Description:Gesehen am 12.03.2020
Physical Description:Online Resource
ISSN:1873-1562
DOI:10.1016/j.nuclphysb.2018.04.020