Space-Time Uncertainty and Noncommutativity in String Theory

Details Space-Time Uncertainty and Noncommutativity in String Theory Space-Time Uncertainty and Noncommutativity in String Theory

2000-10-20

arxiv.org/abs/hep-th/0010172v1

Int.J.Mod.Phys. A16 (2001) 945

Physics

High Energy Physics

High Energy Physics - Theory

10 pages with one figure. Written version of talks presented at the Strings 2000 (Michigan, July, 2000) and the Summer Worksho

Scientific paper

We analyze the nature of space-time nonlocality in string theory. After giving a brief overview on the conjecture of the space-time uncertainty principle, a (semi-classical) reformulation of string quantum mechanics, in which the dynamics is represented by the noncommutativity between temporal and spatial coordinates, is outlined. The formalism is then compared to the space-time noncommutative field theories associated with nonzero electric B-fields.

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