Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-06-07
JHEP 0710:064,2007
Physics
High Energy Physics
High Energy Physics - Theory
33 pages, no figure, minor changes, several equations corrected
Scientific paper
10.1088/1126-6708/2007/10/064
There exists an intriguing relation between genus zero correlation functions in the H^+_3 WZNW model and in Liouville field theory. We provide a path integral derivation of the correspondence and then use our new approach to generalize the relation to surfaces of arbitrary genus g. In particular we determine the correlation functions of N primary fields in the WZNW model explicitly through Liouville correlators with N+2g-2 additional insertions of certain degenerate fields. The paper concludes with a list of interesting further extensions and a few comments on the relation to the geometric Langlands program.
Hikida Yasuaki
Schomerus Volker
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