Punctures in W-string theory

Details Punctures in W-string theory Punctures in W-string theory

1997-03-25

arxiv.org/abs/hep-th/9703170v2

Physics

High Energy Physics

High Energy Physics - Theory

11 pages; LaTeX, needs world_sci.sty (available at xxx) References included and minor typos corrected

Scientific paper

Using the differential equation approach to W-algebras, we discuss the inclusion of punctures in W-string theory. The key result is the existence of different kinds of punctures in W-strings. This is similar to the NS and R punctures occuring in superstring theories. We obtain the moduli associated with these punctures and present evidence in existing W-string theories for these punctures. The $W_3$ case is worked out in detail. It is conjectured that the $(1,3)$ minimal model coupled to two dimensional gravity corresponds to topological $W_3$-gravity.

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