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Effective Actions near Singularities

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' the light W^\pm vector multiplets we derive a quantum corrected effective action which is manifestly SU(2) invari...

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Detalles Bibliográficos
Autores principales: Louis, Jan, Mohaupt, Thomas, Zagermann, Marco
Lenguaje:eng
Publicado: 2003
Materias:
Acceso en línea:https://dx.doi.org/10.1088/1126-6708/2003/02/053
http://cds.cern.ch/record/601534