Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-06-07
JHEP0608:022,2006
Physics
High Energy Physics
High Energy Physics - Theory
18 pages
Scientific paper
10.1088/1126-6708/2006/08/022
The BMN Matrix model can be regarded as a theory of coincident M-theory gravitons, which expand by Myers dielectric effect into the 2-sphere and 5-sphere giant graviton vacua of the theory. In this note we show that, in the same fashion, Matrix String theory in Type IIA pp-wave backgrounds arises from the action for coincident Type IIA gravitons. In Type IIB, we show that the action for coincident gravitons in the maximally supersymmetric pp-wave background gives rise to a Matrix model which supports fuzzy 3-sphere giant graviton vacua with the right behavior in the classical limit. We discuss the relation between our Matrix model and the Tiny Graviton Matrix theory of hep-th/0406214.
Lozano Yolanda
Rodriguez-Gomez Diego
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