Lessons from supersymmetry: "Instead-of-confinement" mechanism

M. Shifman, A. Yung

Research output: Contribution to journalReview articlepeer-review

13 Scopus citations

Abstract

We review physical scenarios in different vacua of N = 2 supersymmetric QCD deformed by the mass term μ for the adjoint matter. This deformation breaks supersymmetry down to N = 1 and, at large μ, the theory flows to N = 1 QCD. We focus on dynamical scenarios which can serve as prototypes of what we observe in real-world QCD. The so-called r = N vacuum is especially promising in this perspective. In this vacuum an "instead-of-confinement" phase was identified previously, which is qualitatively close to the conventional QCD confinement: the quarks and gauge bosons screened at weak coupling, at strong coupling evolve into monopole-antimonopole pairs confined by non-Abelian strings. We review genesis of this picture.

Original languageEnglish (US)
Article number1430064
JournalInternational Journal of Modern Physics A
Volume29
Issue number27
DOIs
StatePublished - Oct 30 2014

Bibliographical note

Funding Information:
This work is supported in part by DOE grant DE-SC0011842. The work of A. Yung was supported by FTPI, University of Minnesota, by RFBR Grant No. 13-02-00042a and by Russian State Grant for Scientific Schools RSGSS-657512010.2. The work of A. Yung was supported by RSCF Grant No. 14-22-00281.

Publisher Copyright:
© World Scientific Publishing Company.

Keywords

  • Confinement
  • Strong coupling
  • Supersymmetric Yang-Mills

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