“School of Physics”
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| Paper IPM / P / 6534 |
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| Abstract: | |||||
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We study the WZNW models based on nonstandard bilinear forms. We approach the
problem from algebraic, perturbative and functional exact methods. It is shown
that even in the case of integer k we can find irrational CFTs. We prove
that when the base group is noncompact with non-Abelian maximal compact
subgroup, the affine algebra representations are nonunitary.
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