Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Instantons at Strong Coupling, Averaging over Vacua, and the Gluino
  Condensate   We consider instanton contributions to chiral correlators, such as <0| Tr
\lambda^2 (x) Tr \lambda^2(x') |0>, in N=1 supersymmetric Yang-Mills theory
with either light adjoint or fundamental matter. Within the former model,
extraction of the gluino condensate from a connected 1-instanton diagram,
evaluated at strong coupling, can be contrasted with expectations from the
Seiberg-Witten solution perturbed to an N=1 vacuum. We observe a numerical
discrepancy, coinciding with that observed previously in N=1 SQCD. Moreover,
since knowledge of the vacuum structure is complete for softly broken N=2
Yang-Mills, this model serves as a counterexample to the hypothesis of Amati et
al. that 1-instanton calculations at strong coupling can be interpreted as
averaging over vacua. Within N=1 SQCD, we point out that the connected
contribution to the relevant correlators actually vanishes in the weakly
coupled Higgs phase, despite having a nonzero value through infra-red effects
when calculated in the unbroken phase.

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The categories of this paper are: dg-ga
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: atom-ph
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The categories of this paper are: physics
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The categories of this paper are: hep-ex
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The categories of this paper are: econ
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The categories of this paper are: plasm-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-ph
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The categories of this paper are: q-bio
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The categories of this paper are: astro-ph
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The categories of this paper are: math-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: mtrl-th