Integration of the SL(2,R)/U(1) Gauged WZNW Model with Periodic Boundary Conditions
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چکیده
Gauged WZNWmodels are integrable conformal field theories. We integrate the classical SL(2,R)/U(1) theory with periodic boundary conditions, which describes closed strings moving in a curved targetspace geometry. We calculate its Poisson bracket structure by solving an initial state problem. The results differ from previous fieldtheoretic calculations due to zero modes. For a future exact canonical quantization the physical fields are (non-locally) transformed onto canonical free fields.
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تاریخ انتشار 1999