Asymptotic charges, large gauge transformations and inequivalence of different gauges in external current QED

Asymptotic charges, large gauge transformations and inequivalence of different gauges in external current QED

Abstract In this paper we consider external current QED in the Coulomb gauge and in axial gauges for various spatial directions of the axis. For a non-zero electric charge of the current, we demonstrate that any two different gauges from this class correspond to quantum theories which are not unitar...

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Bibliographic Details
Main Authors: Wojciech Dybalski, Benedikt Wegener
Format: Article
Language:English
Published: SpringerOpen 2019-11-01
Series:Journal of High Energy Physics
Subjects:
Gauge Symmetry
Nonperturbative Effects
Online Access:http://link.springer.com/article/10.1007/JHEP11(2019)126

Internet

http://link.springer.com/article/10.1007/JHEP11(2019)126

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