Elsevier

Nuclear Physics B

Volume 56, Issue 2, 4 June 1973, Pages 493-506
Nuclear Physics B

Local Higgs-Kibble type theories in the unitary gauge

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Abstract

A general formal foundation of local theories using the Higgs-Kibble mechanism is given in the unitary gauge. The general term that is added to the Lagrangian owing to the presence of a gauge group is found both when the gauge group has and has not a non-trivial unbroken subgroup. The conjecture made by Weinberg about the form of this term when there is a non-trivial unbroken subgroup is found to be false in general. However when the unbroken subgroup is Abelian the conjecture is shown to be correct.

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