Smearing Effect in Plane-Wave Matrix Model

Details Smearing Effect in Plane-Wave Matrix Model Smearing Effect in Plane-Wave Matrix Model

2008-12-22

arxiv.org/abs/0812.4112v2

JHEP 0903:039,2009

Physics

High Energy Physics

High Energy Physics - Theory

26 pages; added reference

Scientific paper

10.1088/1126-6708/2009/03/039

Motivated by the usual D2-D0 system, we consider a configuration composed of flat membrane and fuzzy sphere membrane in plane-wave matrix model, and investigate the interaction between them. The configuration is shown to lead to a non-trivial interaction potential, which indicates that the fuzzy sphere membrane really behaves like a graviton, giant graviton. Interestingly, the interaction is of r^{-3} type rather than r^{-5} type. We interpret it as the interaction incorporating the smearing effect due to the fact that the considered supersymmetric flat membrane should span and spin in four dimensional subspace of plane-wave geometry.

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