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Paper detail

$gl(2|2)$ Current Superalgebra and Non-unitary Conformal Field Theory

Motivated by application of current superalgebras in the study of disordered systems such as the random XY and Dirac models, we investigate $gl(2|2)$ current superalgebra at general level $k$. We construct its free field representation and corresponding Sugawara energy-momentum tensor in the non-standard basis. Three screen currents of the first kind are also presented.

preprint2002arXivOpen access
Xiang-Mao DingMark D. GouldYao-Zhong Zhang
cond-mathep-th
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Xiang-Mao DingMark D. GouldYao-Zhong Zhang

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