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

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

1997-06-12

arxiv.org/abs/hep-th/9706093v2

Phys.Lett. B417 (1998) 41-44

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, latex, minor change

Scientific paper

10.1016/S0370-2693(97)01342-7

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.

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