Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fractional Branes, Confinement, and Dynamically Generated
  Superpotentials   We examine the effects of instantons in four dimensional N=1 supersymmetric
gauge theory by including D0-branes in type IIA brane constructions. We examine
instanton generated superpotentials in supersymmetric QCD and find that they
are due to a repulsive force between D4-branes bound to D0-branes ending on NS
5-branes. We study situations where instanton effects break supersymmetry such
as the Intriligator-Thomas-Izawa-Yangagida model and relate this to a IIA brane
construction. We also argue how confinement due to a condensate of fractional
instantons manifests itself in Super Yang-Mills theory using fractional D0
branes, D4 branes, and NS strings.

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The categories of this paper are: astro-ph
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The categories of this paper are: q-alg
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The categories of this paper are: dg-ga
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The categories of this paper are: econ
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The categories of this paper are: alg-geom
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The categories of this paper are: nlin
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The categories of this paper are: quant-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: math-ph
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The categories of this paper are: cs
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The categories of this paper are: stat
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The categories of this paper are: hep-ph
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The categories of this paper are: eess
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The categories of this paper are: adap-org
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The categories of this paper are: gr-qc
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The categories of this paper are: ao-sci