Sress-Tensor for parafermions from the generalized Frenkel-Kac construction of affine algebra

Details Sress-Tensor for parafermions from the generalized Frenkel-Kac construction of affine algebra Sress-Tensor for parafermions from the generalized Frenkel-Kac construction of affine algebra

1997-12-03

arxiv.org/abs/hep-th/9712031v2

Mod.Phys.Lett.A13:853-860,1998

Physics

High Energy Physics

High Energy Physics - Theory

Comments and references added, 8 pages, Revtex

Scientific paper

10.1142/S0217732398000929

I discuss a realization of stress-tensor for parafermion theories following the generalized Frenkel-Kac construction for higher level Kac-Moody algebras. All the fields are obtained from $d$=rank free bosons compactified on torus. This gives an alternative realization of Virasoro algebra in terms of a non-local correction of a free field construction which does not fit the usual background charge of Feigin-Fuchs approach.

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