Exact results in a non-supersymmetric gauge theory

A. Armoni, M. Shifman, G. Veneziano

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Abstract

We consider non-supersymmetric large N orientifold field theories. Specifically, we discuss a gauge theory with a Dirac fermion in the anti-symmetric tensor representation. We argue that, at large N and in a large part of its bosonic sector, this theory is non-perturbatively equivalent to N = 1 SYM, so that exact results established in the latter (parent) theory also hold in the daughter orientifold theory. In particular, the non-supersymmetric theory has an exactly calculable bifermion condensate, exactly degenerate parity doublets, and a vanishing cosmological constant (all this to leading order in 1/N).

Original languageEnglish (US)
Pages (from-to)453-457
Number of pages5
JournalFortschritte der Physik
Volume52
Issue number6-7
DOIs
StatePublished - Jun 2004

Bibliographical note

Funding Information:
A.A. would like to thank O. Aharony, C. Angelantonj, O. Bergman, Y. Frishman, A. Hanany, R. Rabadan, E. Rabinovici, and Y. Shadmi for useful discussions. M.S. is grateful to A. Gorsky and D. Tong for numerous communications and discussions of the Z k orbifold theories. The work of M.S. is supported in part by DOE grant DE-FG02-94ER408.

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