Electric / magnetic deformations of S 3 and AdS 3 , and geometric cosets ∗

@inproceedings{Isral2004ElectricM,
  title={Electric / magnetic deformations of S 3 and AdS 3 , and geometric cosets ∗},
  author={D. E. Isra{\"e}l and Costas Kounnas and Domenico Orlando and Panagiotis Marios Petropoulos},
  year={2004}
}
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 electric or magnetic fields, depending on whether the deformation is elliptic, hyperbolic or parabolic. Asymmetric deformations create new families of exact string vacua. The geometries which are generated in this way, deformed S3 or AdS3, include in particular geometric cosets such as S2, AdS2 or H2. Hence, the latter are… CONTINUE READING
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