Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-05-22
JHEP 0207 (2002) 001
Physics
High Energy Physics
High Energy Physics - Theory
44 pages, Latex, 1 eps fig, few misprints corrected. to appear in JHEP
Scientific paper
10.1088/1126-6708/2002/07/001
The soliton spectrum (massive and massless) of a family of integrable models with local U(1) and U(1)\otimes U(1) symmetries is studied. These models represent relevant integrable deformations of SL(2,R) \otimes U(1)^{n-1} - WZW and SL(2,R) \otimes SL(2,R)\otimes U(1)^{n-2} - WZW models. Their massless solitons appears as specific topological solutions of the U(1) (or U(1)\otimes U(1)) - CFTs. The nonconformal analog of the GKO-coset formula is derived and used in the construction of the composite massive solitons of the ungauged integrable models.
Gomes J. F.
Gueuvoghlanian E. P.
Sotkov G. M.
Zimerman A. H.
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