Torsional Heterotic Geometries

Details Torsional Heterotic Geometries Torsional Heterotic Geometries

2009-03-23

arxiv.org/abs/0903.3769v2

Nucl.Phys.B820:1-31,2009

Physics

High Energy Physics

High Energy Physics - Theory

52 pages, LaTeX; typos fixed

Scientific paper

10.1016/j.nuclphysb.2009.05.002

We construct new examples of torsional heterotic backgrounds using duality with orientifold flux compactifications. We explain how duality provides a perturbative solution to the type I/heterotic string Bianchi identity. The choice of connection used in the Bianchi identity plays an important role in the construction. We propose the existence of a much larger landscape of compact torsional geometries using string duality. Finally, we present some quantum exact metrics that correspond to NS5-branes placed on an elliptic space. These metrics describe how torus isometries are broken by NS flux.

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