Exact electric-magnetic duality in N = 2 supersymmetric QCD theories

Ofer Aharony*, Shimon Yankielowicz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We analyze the Coulomb phase of theories of N = 2 SQCD with SU(Nc) gauge groups which are conjectured to have exact electric-magnetic duality. We discuss the duality transformation of the particle spectrum, emphasizing the differences between the general case and the SU(2) case. Some difficulties associated with the definition of the duality transformation for a general gauge group are discussed. We compute the classical monopole spectrum of these theories, and when it is possible we use it to check the consistency of the duality. Generally these theories may have phase transitions between strong and weak coupling, which prevent the semi-classical computation from being useful for checking the duality.

Original languageEnglish
Pages (from-to)93-120
Number of pages28
JournalNuclear Physics B
Issue number1-2
StatePublished - 5 Aug 1996


FundersFunder number
German-Israeli Foundation for Scientific Research
Israel Academy of Science
United States-Israel Binational Science Foundation


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