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Quark condensate in massless QCD from planar equivalence / Adi Armoni; Graham Shore; Gabriele Veneziano

Nucl. Phys. B, Volume: 740, Issue: 1-2, Pages: 23 - 35

Swansea University Author: Shore, Graham

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DOI (Published version): 10.1016/j.nuclphysb.2006.01.044

Abstract

A previous estimate of the quark condensate in one-flavour mass- less QCD from the known value of the gluino condensate in super Yang-Mills (SYM) theory is extended to Nf > 1 by considering the large-N limit of an SU(N) gauge theory with one flavour in the antisymmetric representation and nf...

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Published in: Nucl. Phys. B
Published: 2006
Online Access: http://arxiv.org/abs/hep-ph/0511143
URI: https://cronfa.swan.ac.uk/Record/cronfa17504
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Abstract: A previous estimate of the quark condensate in one-flavour mass- less QCD from the known value of the gluino condensate in super Yang-Mills (SYM) theory is extended to Nf > 1 by considering the large-N limit of an SU(N) gauge theory with one flavour in the antisymmetric representation and nf = Nf − 1 extra flavours in the fundamental representation. We argue that, even at nf ̸= 0, suitably chosen correlators in this theory can be mapped to those of SYM as N → ∞. We give arguments why this correspondence should be particularly good for Nf = 3 and compare our prediction with available (real and Monte Carlo) data.
College: College of Science
Issue: 1-2
Start Page: 23
End Page: 35