Three-Branes and Five-Branes in N=1 Dual String Pairs

Abstract

In this note we show that in dual N=1 string vacua provided by the heterotic string on an elliptic Calabi-Yau together with a vector bundle respectively F-theory on Calabi-Yau fourfold the number of heterotic fivebranes necessary for anomaly cancellation matches the number of F-theory threebranes necessary for tadpole cancellation. This extends to the general case the work of Friedman, Morgan and Witten, who treated the case of embedding a heterotic $E_8\times E_8$ bundle, leaving no unbroken gauge group, where one has a smooth Weierstrass model on the F-theory side.

22 pages, latex, minor change

References in corpus (2)

• Vector Bundles And F Theory
• Calabi-Yau fourfolds for M- and F-Theory compactifications

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