NS5-Branes and Line Bundles in Heterotic/F-Theory Duality
Andreas P. Braun, Callum R. Brodie, Andre Lukas, Fabian Ruehle
TL;DR
This paper explores the duality between heterotic line bundle models with NS5-branes and their F-theory counterparts, analyzing the geometric correspondence and transitions between different NS5-brane configurations.
Contribution
It provides a systematic analysis of NS5-brane configurations in heterotic/F-theory duality and examines the geometric and transitional aspects of these models.
Findings
Established correspondence between NS5-brane configurations and F-theory geometries
Performed consistency checks of the heterotic/F-theory duality
Analyzed singular transitions between different NS5-brane setups
Abstract
We study F-theory duals of heterotic line bundle models on elliptically fibered Calabi-Yau threefolds. These models necessarily contain NS5-branes which are geometrised in the dual F-theory compactifications. We initiate a systematic study of the correspondence between various configurations of NS5-branes and the dual geometries in F-theory and perform several checks of the duality. Furthermore, we discuss the singular transitions between different configurations of NS5-branes.
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