Exact string backgrounds from WZW models based on non-semi-simple groups

Details Exact string backgrounds from WZW models based on non-semi-simple groups Exact string backgrounds from WZW models based on non-semi-simple groups

1993-11-17

arxiv.org/abs/hep-th/9311093v1

Int.J.Mod.Phys. A9 (1994) 4759-4766

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, harvmac, THU-93/31 (A reference is added and a few minor mistakes are corrected)

Scientific paper

We formulate WZW models based on a centrally extended version of the Euclidean group in $d$-dimensions. We obtain string backgrounds corresponding to conformal $\s$-models in $D=d^2$ space-time dimensions with exact central charge $c=d^2$ and $d(d-1)/2$ null Killing vectors. By identifying the corresponding conformal field theory we show that the one loop results coincide with the exact ones up to a shifting of a parameter.

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