Korff, C. (2001) Colours associated to nonsimply-laced Lie algebras and exact S-matrices. Physics Letters B, 501(3-4), pp. 289-296. (doi: 10.1016/S0370-2693(01)00164-2)
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Publisher's URL: http://dx.doi.org/10.1016/S0370-2693(01)00164-2
Abstract
A new set of exact scattering matrices in 1+1 dimensions is proposed by solving the bootstrap equations. Extending earlier constructions of colour valued scattering matrices this new set has its colour structure associated to nonsimply-laced Lie algebras. This in particular leads to a coupling of different affine Toda models whose fusing structure has to be matched in a suitable manner. The definition of the new S-matrices is motivated by the semiclassical particle spectrum of the nonsimply-laced Homogeneous Sine–Gordon (HSG) models, which are integrable perturbations of WZNW cosets. In particular, the S-matrices of the simply-laced HSG models are recovered as a special case.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Korff, Professor Christian |
Authors: | Korff, C. |
Subjects: | Q Science > QA Mathematics |
College/School: | College of Science and Engineering > School of Mathematics and Statistics > Mathematics |
Journal Name: | Physics Letters B |
Publisher: | Elsevier BV |
ISSN: | 0370-2693 |
ISSN (Online): | 1873-2445 |
Published Online: | 07 March 2001 |
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