Classification of IIB backgrounds with 28 supersymmetries

Details Classification of IIB backgrounds with 28 supersymmetries Classification of IIB backgrounds with 28 supersymmetries

2009-02-20

arxiv.org/abs/0902.3642v2

JHEP 1001:044,2010

Physics

High Energy Physics

High Energy Physics - Theory

30 pages, typos corrected

Scientific paper

10.1007/JHEP01(2010)044

We show that all IIB backgrounds with strictly 28 supersymmetries are locally isometric to the plane wave solution of arXiv:hep-th/0206195. Moreover, we demonstrate that all solutions with more than 26 supersymmetries and only 5-form flux are maximally supersymmetric. The N=28 plane wave solution is a superposition of the maximally supersymmetric IIB plane wave with a heterotic string solution. We investigate the propagation of strings in this background, find the spectrum and give the string light-cone Hamiltonian.

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