Kinky D-branes and straight strings of open string tachyon effective theory

Abstract

In this letter we construct the kink D1-brane super D-helix solution and its T-dual the D2-brane supertube using the effective action of non-BPS tachyonic D-branes . In the limit of zero angular momentum, both types of solutions collapse to zero radius, giving rise respectively to a degenerate string configuration corresponding to a particle travelling with the speed of light and to a static straight string configuration. These solutions share all the properties of fundamental strings and do not have the pathological behavior of other solutions previously found in this context. A short discussion on the ``generalized gauge transformations'' suggested by Sen is used to justify the validity of our approach.

10 pages, latex, typos corrected and references added

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Cited by in corpus (7)

• Tachyon Dynamics in Open String Theory
• A Geometric Look on the Microstates of Supertubes
• S-matrix elements and off-shell tachyon action with non-abelian gauge symmetry
• Tachyon Tube on non BPS D-branes
• Instability of Tachyon Supertube in Type IIA Godel Spacetime
• Tachyon Tube and Supertube
• Entropy and Quantum States of Tachyon Supertube