Parafermionic representation of the affine algebra at fractional level
1999
Abstract The four fermionic currents of the affine superalgebra sl (2|1; C ) at fractional level k= 1 u −1,u∈ N are shown to be realised in terms of a free scalar field, an sl (2; C ) doublet field and primary fields of the parafermionic algebra Z u−1 .
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