Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-01-31
Int.J.Mod.Phys. A16 (2001) 3237-3272
Physics
High Energy Physics
High Energy Physics - Theory
34 pages. Added an equation in Appendix C; some typos corrected. Footnote b changed. Version to appear on IJMPA
Scientific paper
10.1142/S0217751X0100427X
Using a Hamiltonian approach, we construct the classical and quantum theory of open WZW strings on a strip. (These are the strings which end on WZW branes.) The development involves non-abelian generalized Dirichlet images in an essential way. At the classical level, we find a new non-commutative geometry in which the equal-time coordinate brackets are non-zero at the world-sheet boundary, and the result is an intrinsically non-abelian effect which vanishes in the abelian limit. Using the classical theory as a guide to the quantum theory, we also find the operator algebra and the analogue of the Knizhnik-Zamolodchikov equations for the the conformal field theory of open WZW strings.
Giusto Stefano
Halpern M. B.
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