Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1992-06-16
Phys.Lett.B289:309-316,1992
Physics
High Energy Physics
High Energy Physics - Theory
17 pages
Scientific paper
10.1016/0370-2693(92)91224-W
We derive the BRST cohomology of the G/G topological model for the case of
A^{(1)}_{N-1} . It is shown that at level k={p/q}-N the latter describes the
(p,q) W_N minimal model coupled to $W_N$ gravity (plus some extra ``topological
sectors").
Aharony Ofer
Sonnenschein Jacob
Yankielowicz Shimon
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