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SU(N)gauge theories in2+1dimensions: Further results

Michael Teper, Biagio Lucini Orcid Logo

Physical Review D, Volume: "D66", Issue: 9, Start page: 097502

Swansea University Author: Biagio Lucini Orcid Logo

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Abstract

We calculate the string tension and part of the mass spectrum of SU(4) and SU(6) gauge theories in 2+1 dimensions using lattice techniques. We combine these new results with older results for N=2,...,5 so as to obtain more accurate extrapolations to N=infinity. The qualitative conclusions of the ear...

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Published in: Physical Review D
ISSN: 0556-2821 1089-4918
Published: 2002
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URI: https://cronfa.swan.ac.uk/Record/cronfa27957
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Abstract: We calculate the string tension and part of the mass spectrum of SU(4) and SU(6) gauge theories in 2+1 dimensions using lattice techniques. We combine these new results with older results for N=2,...,5 so as to obtain more accurate extrapolations to N=infinity. The qualitative conclusions of the earlier work are unchanged: SU(N) theories in 2+1 dimensions are linearly confining as N->infinity: the limit is achieved by keeping g.g.N fixed: SU(3), and even SU(2), are `close' to SU(infinity). We obtain more convincing evidence than before that the leading large-N correction is O(1/N.N). We look for the multiplication of states that one expects in simple flux loop models of glueballs, but find no evidence for this.
College: Faculty of Science and Engineering
Issue: 9
Start Page: 097502