Conformal Field Theories and Strings on Orbifolds

  title={Conformal Field Theories and Strings on Orbifolds},
  author={Shamit Kachru and E. Silverstein},
We propose correspondences between 4d quantum field theories with N = 2, 1, 0 (super)conformal invariance and Type IIB string theory on various orbifolds of AdS 5 × S 5. We argue using the spacetime string theory, and check using the beta functions (exactly for N = 2, 1 and so far at 1-loop for the gauge couplings in the N = 0 case), that these theories have conformal fixed lines. The latter case potentially gives well-defined non-supersymmetric vacua of string theory, with a mechanism for… CONTINUE READING
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