The classical and quantum algebras of a class of conformal NA-Toda models are studied. It is shown that the SL(2,R)(q) Poisson brackets algebra generated by certain chiral and antichiral charges of the nonlocal currents and the global U(1) charge appears as an algebra of the symmetries of these models. (C) 1998 Elsevier Science B.V. All rights reserved.
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MIT, Dept Phys, Cambridge, MA 02139 USA
Univ Hong Kong, Dept Phys, Pokfulam, Hong Kong, Peoples R ChinaMIT, Dept Phys, Cambridge, MA 02139 USA
Yang, Yi
Po, Hoi Chun
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MIT, Dept Phys, Cambridge, MA 02139 USA
Hong Kong Univ Sci & Technol, Dept Phys, Clear Water Bay, Hong Kong, Peoples R ChinaMIT, Dept Phys, Cambridge, MA 02139 USA
Po, Hoi Chun
Liu, Vincent
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MIT, Dept Phys, Cambridge, MA 02139 USA
Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USAMIT, Dept Phys, Cambridge, MA 02139 USA
Liu, Vincent
Joannopoulos, John D.
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MIT, Dept Phys, Cambridge, MA 02139 USAMIT, Dept Phys, Cambridge, MA 02139 USA
Joannopoulos, John D.
Fu, Liang
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MIT, Dept Phys, Cambridge, MA 02139 USAMIT, Dept Phys, Cambridge, MA 02139 USA
Fu, Liang
Soljacic, Marin
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MIT, Dept Phys, Cambridge, MA 02139 USAMIT, Dept Phys, Cambridge, MA 02139 USA