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arxiv: hep-th/0106012 · v2 · submitted 2001-06-01 · ✦ hep-th

Supergravity Supertubes

Roberto Emparan , David Mateos , Paul Townsend This is my paper
classification ✦ hep-th
keywords supergravitysupertubeangularboundmomentumsolutionbeenblown
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We find the supergravity solution sourced by a supertube: a (1/4)-supersymmetric D0-charged IIA superstring that has been blown up to a cylindrical D2-brane by angular momentum. The supergravity solution captures all essential features of the supertube, including the D2-dipole moment and an upper bound on the angular momentum: violation of this bound implies the existence of closed timelike curves, with a consequent ghost-induced instability of supertube probes.

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