Stringy Instantons and Quiver Gauge Theories

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We explore contributions to the 4D effective superpotential which arise from Euclidean D3 branes (''instantons'') that intersect space-filling D-branes. These effects can perturb the effective field theory on the space-filling branes by nontrivial operators composed of charged matter fields, changing the vacuum structure in a qualitative way in some examples. Our considerations are exemplified throughout by a careful study of a fractional brane configuration on a del Pezzo surface.

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30 pages

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Florea, Bogdan; Kachru, Shamit; McGreevy, John & Saulina, Natalia October 24, 2006.

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Description

We explore contributions to the 4D effective superpotential which arise from Euclidean D3 branes (''instantons'') that intersect space-filling D-branes. These effects can perturb the effective field theory on the space-filling branes by nontrivial operators composed of charged matter fields, changing the vacuum structure in a qualitative way in some examples. Our considerations are exemplified throughout by a careful study of a fractional brane configuration on a del Pezzo surface.

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30 pages

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  • Journal Name: Journal of High Energy Physics (JHEP)

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  • Report No.: SLAC-PUB-12138
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 894143
  • Archival Resource Key: ark:/67531/metadc888363

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  • October 24, 2006

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 9, 2016, 7:16 p.m.

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Florea, Bogdan; Kachru, Shamit; McGreevy, John & Saulina, Natalia. Stringy Instantons and Quiver Gauge Theories, article, October 24, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc888363/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.