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Deconfinement at N > 2: SU(N) Georgi-Glashow model in 2+1 dimensions

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Published 22 June 2001 • Published under licence by IOP Publishing Ltd
, , Citation Ian I. Kogan et al JHEP05(2001)062 DOI 10.1088/1126-6708/2001/05/062

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1 Theoretical Physics, University of Oxford, 1 Keble Road, Oxford, OX1 3NP, UK

2 Department of Mathematics and Statistics, University of Plymouth, Plymouth PL4 8AA UK

3 Theory Division, CERN, CH-1211 Geneva 23, Switzerland

Dates

  1. Received 18 April 2001
  2. Accepted 30 May 2001
  3. Published

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1126-6708/2001/05/062

Abstract

We analyse the deconfining phase transition in the SU(N) Georgi-Glashow model in 2+1 dimensions. We show that the phase transition is second order for any N, and the universality class is different from the ZN invariant Villain model. At large N the conformal theory describing the fixed point is a deformed SU(N)1 WZNW model which has N−1 massless fields. It is therefore likely that its self-dual infrared fixed point is described by the Fateev-Zamolodchikov theory of ZN parafermions.

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10.1088/1126-6708/2001/05/062