Free field realization of the exceptional current superalgebra $\hat{D(2,1;\a)}_k$
arXiv:1108.2093 · doi:10.1088/1751-8113/45/40/405204
Abstract
The free-field representations of the $D(2,1;\a)$ current superalgebra and the corresponding energy-momentum tensor are constructed. The related screening currents of the first kind are also presented.
Latex file, 10 pages