Tachyons, Supertubes and Brane/Anti-Brane Systems

Details Tachyons, Supertubes and Brane/Anti-Brane Systems Tachyons, Supertubes and Brane/Anti-Brane Systems

2001-12-07

arxiv.org/abs/hep-th/0112054v3

JHEP 0203 (2002) 016

Physics

High Energy Physics

High Energy Physics - Theory

1+23 pages, 2 figures, LaTeX. V2, 1+28 pages: Further generalization to non-planar cross-sections and addition of an entirely

Scientific paper

10.1088/1126-6708/2002/03/016

We find supertubes with arbitrary (and not necessarily planar) cross section; the stability against the D2-brane tension is due to a compensation by the local momentum generated by Born-Infeld fields. Stability against long-range supergravity forces is also established. We find the corresponding solutions of the infinite-N M(atrix) model. The supersymmetric D2/anti-D2 system is a special case of the general supertube, and we show that there are no open-string tachyons in this system via a computation of the open-string one-loop vacuum energy.

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