Super-PP-wave Algebra from Super-AdS x S Algebras in Eleven-dimensions

Details Super-PP-wave Algebra from Super-AdS x S Algebras in Eleven-dimensions Super-PP-wave Algebra from Super-AdS x S Algebras in Eleven-dimensions

2002-03-30

arxiv.org/abs/hep-th/0204002v1

Nucl.Phys. B637 (2002) 168-176

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, LaTex2e file

Scientific paper

10.1016/S0550-3213(02)00468-6

Maximally supersymmetric spacetime algebras in eleven-dimensions, which are the isometry superalgebras of Minkowski space, AdS_7 x S^4, AdS_4 x S^7 and pp-wave background, are related by Inonu-Wigner contractions. The super-AdS_{4(7)} x S^{7(4)} algebras allow to introduce two contraction parameters, the one for the flat limit to the super-Poincare algebra and the other for a Penrose limit to the super-pp-wave algebra. Under these contractions supersymmetries are maintained because the Jacobi identity of three supercharges holds for any values of contraction parameters.

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