Towards a holographic dual of large-N c QCD

  title={Towards a holographic dual of large-N c QCD},
  author={Mart́ın Kruczenski and David L 6 pez Mateos and Robert C. Myers and David L. Sjoquist John V. Winters},
We study Nf D6-brane probes in the supergravity background dual to Nc D4branes compactified on a circle with supersymmetry-breaking boundary conditions. In the limit in which the resulting Kaluza–Klein modes decouple, the gauge theory reduces to nonsupersymmetric, four-dimensional QCD with Nc colours and Nf ≪ Nc flavours. As expected, this decoupling is not fully realised within the supergravity/Born–Infeld approximation. For Nf = 1 and massless quarks, mq = 0, we exhibit spontaneous chiral… CONTINUE READING
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