Super D-Helix

Abstract

We study `Myers effect' for a bunch of $D1$-branes with $IIB$ superstrings moving in one direction along the branes. We show that the `blown-up' configuration is the helical $D1$-brane, which is self-supported from collapse by the axial momentum flow. The tilting angle of the helix is determined by the number of $D1$-branes. The radius of the helix is stabilized to a certain value depending on the number of $D1$-branes and the momentum carried by $IIB$ superstrings. This is actually T-dual version of the supertube recently found as the `blown-up' configuration of a bunch of $IIA$ superstrings carrying $D0$-brane charge. It is found that the helical $D1$ configuration preserves one quarter of the supersymmetry of $IIB$ vacuum.

13 pages using REVTeX macro, V.3: added references, corrected typos in the Killing spinor relations, and added discussions on D1/D5

References in corpus (5)

• Supertubes
• Metric of the multiply wound rotating string
• Supergravity Supertubes
• Tubular Branes in Fluxbranes
• Noncommutative Supersymmetric Tubes

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