G-structures and domain walls in heterotic theories
Journal of High Energy Physics 2011:1 (2011)
Abstract:
We consider heterotic string solutions based on a warped product of a fourdimensional domain wall and a six-dimensional internal manifold, preserving two supercharges. The constraints on the internal manifolds with SU(3) structure are derived. They are found to be generalized half-flat manifolds with a particular pattern of torsion classes and they include half-flat manifolds and Strominger's complex non-Kahler manifolds as special cases. We also verify that previous heterotic compactifications on half-flat mirror manifolds are based on this class of solutions. 漏 SISSA 2011.Heterotic Bundles on Calabi-Yau Manifolds with Small Picard Number
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