paper

Membranes from Five-Branes and Fundamental Strings from Dp Branes

arXiv:hep-th/9901159 · doi:10.1016/S0550-3213(99)00191-1

Abstract

We argue that M2 brane is realized as a topological soliton on a coincident pair of M5 and anti-M5 branes, as the two five-branes annihilate each other. Topology and quantum numbers of this world-volume soliton are discussed in some detail, and its formation is explained qualitatively. It follows from a compactification that a D4-anti-D4 pair annihilate and produce type II fundamental strings. The phenomenon is best described as the confinement of a world-volume U(1) gauge field on D4-anti-D4, where the confined electric flux string is identified as the fundamental string. This generalizes to other D-anti-D systems, and solves a puzzle recently pointed out by Witten.

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