Local and covariant gauge quantum field theories. Cluster property, superselection rules, and the infrared problem
- 15 April 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 17 (8) , 2010-2021
- https://doi.org/10.1103/physrevd.17.2010
Abstract
General structure properties of local and covariant gauge quantum field theories are investigated and a generalized cluster property is proved. Necessary and sufficient conditions are given for the failure of the cluster property which is strictly related to "quark" confinement. The deep relation between superselection rules and the infrared problems is discussed.Keywords
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