Stringy instantons and cascading quivers

  title={Stringy instantons and cascading quivers},
  author={Ofer Aharony and Shamit Kachru},
D-brane instantons can perturb the quantum field theories on space-time filling D-branes by interesting operators. In some cases, these D-brane instantons are novel “stringy” effects (not interpretable directly as instanton effects in the low-energy quantum field theory), while in others the D-brane instantons can be directly interpreted as field theory effects. In this note, we describe a situation where both perspectives are available, by studying stringy instantons in quivers which arise at… CONTINUE READING
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