Exact results in non-supersymmetric large N orientifold field theories

Adi Armoni, Michael Shifman, Gabriele 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 antisymmetric tensor representation. We argue that, at large N and in a large part of its bosonic sector, this theory is nonperturbatively 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)170-182
Number of pages13
JournalNuclear Physics B
Volume667
Issue number1-2
DOIs
StatePublished - Sep 8 2003

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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