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 | Wu, Yong-Shi | Nonlinear Ŵ∞ current algebra in the SL(2,R)/U(1) coset model | We show that in the world-sheet SL(2,R)/U(l) coset model there exists a hidden nonlinear W∞ current algebra, which incorporates all higher-spin (s≥ 2) currents including the energy-momentum tensor. Our proof is based on a free-field realization of Woo in terms of two scalars, as well as an ele... | W-algebras; Coset model; World-sheet; String theory; Spacetime; Quantum currents | 1992-05 |
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