Aspects of N=1 String Dynamics

Details Aspects of N=1 String Dynamics Aspects of N=1 String Dynamics

1997-05-22

arxiv.org/abs/hep-th/9705173v2

Nucl.Phys.Proc.Suppl.61A:42-57,1998

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 6 figures. Lectures delivered at 33rd Karpacz Winter School. Some typos are corrected

Scientific paper

10.1016/S0920-5632(97)00518-5

We review several topics of interest in the study of 4d N=1 supersymmetric compactifications of the heterotic string. After a brief introduction to the construction of such models, our focus is on the novel physics which occurs at singularities in the moduli space of vacua. Among the phenomena we discuss are nonperturbative superpotentials, dynamical generation of poles in various low-energy couplings, and phase transitions which change the net number of chiral generations.

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