IIB solutions with N>28 Killing spinors are maximally supersymmetric

@inproceedings{Gran2007IIBSW,
  title={IIB solutions with N>28 Killing spinors are maximally supersymmetric},
  author={Ulf Gran and J. B. Gutowski and George Papadopoulos and D. van der Roest},
  year={2007}
}
  • Ulf Gran, J. B. Gutowski, +1 author D. van der Roest
  • Published 2007
  • Physics
  • We show that all IIB supergravity backgrounds which admit more than 28 Killing spinors are maximally supersymmetric. In particular, we find that for all N>28 backgrounds the supercovariant curvature vanishes, and that the quotients of maximally supersymmetric backgrounds either preserve all 32 or N<29 supersymmetries. 

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