Soliton spectrum of integrable models with local symmetries
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The soliton spectrum (massive and massless) of a family of integrable models with local U(1) and U(1) ⊗U(1) symmetries is studied. These models represent relevant integrable deformations of SL(2,ℝ) ⊗U(1) n-1-WZW and SL(2,ℝ) ⊗ SL(2,ℝ) ⊗U(1) n-2-WZW models. Their massless solitons appear as specific topological solutions of the U(1)(or U(1) ⊗ 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. © SISSA/ISAS 2002.
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Conformal and W Symmetry, Integrable Field Theories, Integrable Hierarchies, Solitons Monopoles and Instantons
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Inglês
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Journal of High Energy Physics, v. 6, n. 7, p. 1-47, 2002.
