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The holomorphic anomaly for open string moduli

TitleThe holomorphic anomaly for open string moduli
Publication TypeJournal Article
Year of Publication2007
AuthorsBonelli, G, Tanzini, A
JournalJHEP 10 (2007) 060

We complete the holomorphic anomaly equations for topological strings with their dependence on open moduli. We obtain the complete system by standard path integral arguments generalizing the analysis of BCOV (Commun. Math. Phys. 165 (1994) 311) to strings with boundaries. We study both the anti-holomorphic dependence on open moduli and on closed moduli in presence of Wilson lines. By providing the compactification a\\\' la Deligne-Mumford of the moduli space of Riemann surfaces with boundaries, we show that the open holomorphic anomaly equations are structured on the (real codimension one) boundary components of this space.


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