Recent developments in heterotic compactifications

Details Recent developments in heterotic compactifications Recent developments in heterotic compactifications

2008-01-26

arxiv.org/abs/0801.4080v1

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, LaTeX, 2 figures. Contribution to the proceedings of the Virginia Tech Sowers workshop, May 2007

Scientific paper

In this short review, we outline three sets of developments in understanding heterotic string compactifications. First, we outline recent progress in heterotic analogues of quantum cohomology computations. Second, we discuss a potential swampland issue in heterotic strings, and new heterotic string constructions that can be used to fill in the naively missing theories. Third, we discuss recent developments in string compactifications on stacks and their applications, concluding with an outline of work-in-progress on heterotic string compactifications on gerbes.

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