The quark condensate in multi-flavour QCD - planar equivalence confronting lattice simulations

Adi Armoni, Mikhail Shifman, Graham Shore, Gabriele Veneziano

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Planar equivalence between the large N limits of N=1 Super Yang-Mills (SYM) theory and a variant of QCD with fermions in the antisymmetric representation is a powerful tool to obtain analytic non-perturbative results in QCD itself. In particular, it allows the quark condensate for N=3 QCD with quarks in the fundamental representation to be inferred from exact calculations of the gluino condensate in N=1 SYM. In this paper, we review and refine our earlier predictions for the quark condensate in QCD with a general number nf of flavours and confront these with lattice results.

Original languageEnglish (US)
Pages (from-to)184-189
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
StatePublished - Feb 4 2015

Bibliographical note

Funding Information:
We would like to thank L. Giusti and T. Hollowood for numerous discussions. A.A. and G.S. are grateful to the U.K. Science and Technology Facilities Council ( STFC ) for financial support under grants ST/J000043/1 and ST/L000369/1 . The work of M.S. is supported in part by DOE grant DE-SC0011842 .

Publisher Copyright:
© 2014 The Authors.


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