Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-08-25
Nucl.Phys. B704 (2005) 231-278
Physics
High Energy Physics
High Energy Physics - Theory
60 pages, 2 .eps figures, Harvmac; v2: Minor typos corrected and references added; v3: Some more typos corrected. Final versio
Scientific paper
10.1016/j.nuclphysb.2004.10.036
We complete the duality cycle by constructing the geometric transition duals in the type IIB, type I and heterotic theories. We show that in the type IIB theory the background on the closed string side is a Kahler deformed conifold, as expected, even though the mirror type IIA backgrounds are non-Kahler (both before and after the transition). On the other hand, the Type I and heterotic backgrounds are non-Kahler. Therefore, on the heterotic side these backgrounds give rise to new torsional manifolds that have not been studied before. We show the consistency of these backgrounds by verifying the torsional equation.
Alexander Stephon
Becker Katrin
Becker Melanie
Dasgupta Keshav
Knauf Anke
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