A new look at the problem of gauge invariance in quantum field theory

Details A new look at the problem of gauge invariance in quantum field theory A new look at the problem of gauge invariance in quantum field theory

2007-06-19

arxiv.org/abs/0706.2830v1

Phys.Scripta.76:64-71,2007

Physics

Quantum Physics

Accepted by Physica Scripta. 27 pages

Scientific paper

10.1088/0031-8949/76/1/013

Quantum field theory is assumed to be gauge invariant. However it is well known that when certain quantities are calculated using perturbation theory the results are not gauge invariant. The non-gauge invariant terms have to be removed in order to obtain a physically correct result. In this paper we will examine this problem and determine why a theory that is supposed to be gauge invariant produces non-gauge invariant results.

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