On exact proper time Wilsonian RG flows
We discuss the possibility to define exact RG equations for a UV regulated Wilsonian action based on a proper time (PT) regulator function. We start from a functional mapping which shows how each particular flow equation (and RG scheme) is associated to infinitely many scale dependent field redefini...
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| Autori principali: | , , , |
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| Natura: | Article (Journal) |
| Lingua: | inglese |
| Pubblicazione: |
[2020]
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| In: |
The European physical journal. C, Particles and fields
Year: 2020, Volume: 80, Fascicolo: 3 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-020-7798-9 |
| Accesso online: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-020-7798-9
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| Note sull'autore: | Alfio Bonanno, Stefan Lippoldt, Roberto Percacci, Gian Paolo Vacca |
| Riassunto: | We discuss the possibility to define exact RG equations for a UV regulated Wilsonian action based on a proper time (PT) regulator function. We start from a functional mapping which shows how each particular flow equation (and RG scheme) is associated to infinitely many scale dependent field redefinitions, which are related to specific coarse-graining procedures. On specializing to a sub-family of one parameter PT regulators we briefly analyze few results for the Ising Universality class in three dimensions, obtained within a second order truncation in the derivative expansion of the Wilsonian action. |
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| Descrizione del documento: | Gesehen am 14.04.2020 |
| Descrizione fisica: | Online Resource |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-020-7798-9 |