Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-06-11
Phys.Rev. D59 (1999) 045007
Physics
High Energy Physics
High Energy Physics - Theory
18 pages, revtex, minor misprints corrected, a clarifying footnote added (to appear in Phys. Rev. D)
Scientific paper
10.1103/PhysRevD.59.045007
We construct anomaly free non-supersymmetric large N gauge theories from orientifolds of Type IIB on C^3/G orbifolds. In particular, massless as well as tachyonic one-loop tadpoles are cancelled in these models. This is achieved by starting with ${\cal N}=1,2$ supersymmetric orientifolds with well defined world-sheet description and including discrete torsion (which breaks supersymmetry) in the orbifold action. In this way we obtain non-trivial non-chiral as well as anomaly free chiral large N gauge theories. We point out certain subtleties arising in the chiral cases. Subject to certain assumptions, these theories are shown to have the property that computation of any M-point correlation function in these theories reduces to the corresponding computation in the parent ${\cal N}=4$ oriented theory. This generalizes the analogous results recently obtained in supersymmetric large N gauge theories from orientifolds, as well as in (non)supersymmetric large N gauge theories without orientifold planes.
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