On explicit free field realizations of current algebras
arXiv:0806.1996 · doi:10.1016/j.nuclphysb.2008.02.011
Abstract
We construct the explicit free field representations of the current algebras , and for a generic positive integer and an arbitrary level . The corresponding energy-momentum tensors and screening currents of the first kind are also given in terms of free fields.
Latex file, 25 pages