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Possible new phase for adjoint QCD

Erich Poppitz and Thomas A. Ryttov
Phys. Rev. D 100, 091901(R) – Published 15 November 2019

Abstract

We discuss an exotic phase that adjoint QCD possibly exhibits in the deep IR. It is a confining phase, with a light spectrum consisting of massless composite fermions. The discrete chiral symmetry is broken, with unbroken continuous chiral symmetry. We argue that it may give a description of the IR of adjoint QCD with three massless Weyl flavors and that it passes all consistency checks known to us.

  • Received 7 May 2019

DOI:https://doi.org/10.1103/PhysRevD.100.091901

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Erich Poppitz*

  • Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada

Thomas A. Ryttov

  • CP3-Origins, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark

  • *poppitz@physics.utoronto.ca
  • ryttov@cp3.sdu.dk

Article Text

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Issue

Vol. 100, Iss. 9 — 1 November 2019

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