paper

Fuzzy Gravitons From Uncertain Spacetime

arXiv:hep-th/0003173 · doi:10.1103/PhysRevD.63.086002

Abstract

The recently proposed remarkable mechanism explaining ``stringy exclusion principle" on an Anti de Sitter space is shown to be another beautiful manifestation of spacetime uncertainty principle in string theory as well as in M theory. Put in another way, once it is realized that the graviton of a given angular momentum is represented by a spherical brane, we deduce the maximal angular momentum directly from either the relation in M theory or $ΔtΔx>\ap$ in string theory. We also show that the result of hep-th/0003075 is similar to results on D2-branes in SU(2) WZW model. Using the dual D2-brane representation of a membrane, we obtain the quantization condition for the size of the membrane.

10 pages, harvmac. v2: a ref. and a note added; v3: A remark and one more ref. added

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