IIB solutions with N>28 Killing spinors are maximally supersymmetric
Abstract
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.
- Publication:
-
Journal of High Energy Physics
- Pub Date:
- December 2007
- DOI:
- 10.1088/1126-6708/2007/12/070
- arXiv:
- arXiv:0710.1829
- Bibcode:
- 2007JHEP...12..070G
- Keywords:
-
- High Energy Physics - Theory
- E-Print:
- 27 pages