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hep-th2003
Effective Actions Near Singularities: The STU-Model
Marco Zagermann
We derive the low energy effective action of the STU-model in four and five dimensions near the line T=U, where SU(2) gauge symmetry enhancement occurs. By `integrating in' the lig…
hep-th2003
Effective Actions near Singularities
Jan Louis, Thomas Mohaupt, Marco Zagermann
We study the heterotic string compactified on K3 x T^2 near the line T=U, where the effective action becomes singular due to an SU(2) gauge symmetry enhancement. By `integrating in…