Dual String Pairs and Gaugino Condensation

  title={Dual String Pairs and Gaugino Condensation},
  author={Shamit Kachru and E. Silverstein},
We study a class of four-dimensional N=1 heterotic string theories which have non-trivial quantum dynamics arising from asymptotically free gauge groups. These models are obtained by orbifolding 4d N=2 heterotic/type II dual pairs by symmetries which leave unbroken products of nonabelian gauge groups (without charged matter) in a " hidden sector " on the heterotic side. Such models are expected to break supersymmetry through gaugino condensation in the hidden sector. We find a dual description… CONTINUE READING

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