### Abstract

Coincident D3-branes placed at a conical singularity are related to string theory on AdS_{5}XX_{5}, for a suitable five-dimensional Einstein manifold X_{5}. For the example of the conifold, which leads to X_{5} = T^{1,1} = [SU(2) X SU(2)]/U(1), the infrared limit of the theory on N D3-branes was constructed recently. This is an script N sign=1 supersymmetric SU(N) X SU(N) gauge theory coupled to four bifundamental chiral superfields and supplemented by a quartic superpotential which becomes marginal in the infrared. In this paper we consider D3-branes wrapped over the 3-cycles of T^{1,1} and identify them with baryon-like chiral operators built out of products of N chiral superfields. The supergravity calculation of the dimensions of such operators agrees with field theory. We also study the D5-brane wrapped over a 2-cycle of T^{1,1}, which acts as a domain wall in AdS_{5}. We argue that upon crossing it the gauge group changes to SU(N) X SU(N+1). This suggests a construction of supergravity duals of script N sign=1 supersymmetric SU(N_{1}) X SU(N_{2}) gauge theories.

Original language | English (US) |
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Article number | 125025 |

Pages (from-to) | 1250251-1250257 |

Number of pages | 7 |

Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |

Volume | 58 |

Issue number | 12 |

State | Published - Dec 15 1998 |

### All Science Journal Classification (ASJC) codes

- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)

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## Cite this

*Physical Review D - Particles, Fields, Gravitation and Cosmology*,

*58*(12), 1250251-1250257. [125025].