Pp-wave Matrix Models from Point-like Gravitons

Details Pp-wave Matrix Models from Point-like Gravitons Pp-wave Matrix Models from Point-like Gravitons

2007-01-14

arxiv.org/abs/hep-th/0701133v1

Fortsch.Phys.55:598-603,2007

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, Talk presented by Y.L. at the RTN workshop, Napoli, Oct. 9-13, 2007

Scientific paper

10.1002/prop.200610353

The BFSS Matrix model can be regarded as a theory of coincident M-theory gravitons. In this spirit, we summarize how using the action for coincident gravitons proposed in hep-th/0207199 it is possible to go beyond the linear order approximation of Kabat and Taylor, and to provide a satisfactory microscopical description of giant gravitons in $AdS_m\times S^n$ backgrounds. We then show that in the M-theory maximally supersymmetric pp-wave background, the action for coincident gravitons, besides reproducing the BMN Matrix model, predicts a new quadrupolar coupling to the M-theory 6-form potential, which supports the so far elusive fuzzy 5-sphere giant graviton solution. Finally, we discuss similar Matrix models that can be derived in Type II string theories using dualities.

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