Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-07-10
Nucl.Phys.B570:3-37,2000
Physics
High Energy Physics
High Energy Physics - Theory
39 pages, Latex, 7 eps figures. References added
Scientific paper
10.1016/S0550-3213(99)00699-9
We consider four-dimensional N=1 field theories realized by type IIA brane configurations of NS-branes and D4-branes, in the presence of orientifold six-planes and D6-branes. These configurations are known to present interesting effects associated to the appearance of chiral symmetries and chiral matter in the four-dimensional field theory. We center on models with one compact direction (elliptic models) and show that, under T-duality, the configurations are mapped to a set of type IIB D3-branes probing N=1 orientifolds of C^2/Z_N singularities. We explicitly construct these orientifolds, and show the field theories on the D3-brane probes indeed reproduces the field theories constructed using the IIA brane configurations. This T-duality map allows to understand the type IIB realization of several exotic brane dynamics effects on the type IIA side: Flavour doubling, the splitting of D6-branes and O6-planes in crossing a NS-brane and the effect of a non-zero type IIA cosmological constant turn out to have surprisingly standard type IIB counterparts.
Park Jaemo
Rabadan Raul
Uranga Angel M. .
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