On electric and magnetic charges in gauge theories

E. Bagan, R. Horan, A. Kovner, M. Lavelle, Z. Mazumder, D. McMullan, S. Tanimura

Research output: Contribution to journalArticleResearchpeer-review


In this talk we will summarise a systematic approach to constructing physical, i.e., gauge-invariant, fields describing charged particles. We will show that this can be done in a well defined way in abelian theories and perturbatively in non-abelian theories. Various perturbative tests in three and four dimensions will be reported. The existence of a non-perturbative obstruction to the observability of quarks will be demonstrated. Finally the extension to magnetic charges is discussed and their non-existence in pure SU(2) is shown. © 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)277-280
JournalNuclear Physics B - Proceedings Supplements
Issue number1-3 SUPPL.
Publication statusPublished - 1 Jul 2004


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