Gauss' Law and String-Localized Quantum Field Theory
Jens Mund, Karl-Henning Rehren, Bert Schroer
June 20, 2019
The quantum Gauss Law as an interacting field equation is a prominent feature of QED
with eminent impact on its algebraic and superselection structure and the properties of
its charged particles. Because it entails the possibility of "measurement of charges at a
distance", it is well-known to be in conflict with locality of charged fields. We show
how a new approach to QED that avoids indefinite metric and
ghosts, can achieve Gauss' Law. We explain why this is not at variance with recent results
by Buchholz et al.
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