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Infrared problem in QED and electric charge renormalization

✍ Scribed by G Morchio; F Strocchi

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
913 KB
Volume
168
Category
Article
ISSN
0003-4916

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✦ Synopsis

The electric charge renormalization in quantum electrodynamics is discussed. by taking into account the fact that an "infrared dressing transformation" is needed to go from the local states occurring in the Green's functions, to the (physical) charged states which obey Gauss' law. Apparent difficulties discussed in the literature are resolved. The construction of physical multicharged states is discussed explicitly.

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