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hep-th2004
Heterotic strings on homogeneous spaces
Dan Israel, Costas Kounnas, Domenico Orlando +1
We construct heterotic string backgrounds corresponding to families of homogeneous spaces as exact conformal field theories. They contain left cosets of compact groups by their max…
hep-th2004
Electric/Magnetic Deformations of S^3 and AdS_3, and Geometric Cosets
Dan Israel, Costas Kounnas, Domenico Orlando +1
We analyze asymmetric marginal deformations of SU(2)_k and SL(2,R)_k WZW models. These appear in heterotic string backgrounds with non-vanishing Neveu--Schwarz three-forms plus ele…