Free field realization of the exceptional current superalgebra hat{D(2,1;a)}_k
classification
✦ hep-th
math-phmath.MP
keywords
currentsuperalgebraconstructedcorrespondingcurrentsenergy-momentumexceptionalfield
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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.
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