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

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

2003-06-30

arxiv.org/abs/hep-th/0306295v2

JHEP 0308 (2003) 026

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, latex, typos corrected and references added

Scientific paper

10.1088/1126-6708/2003/08/026

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.

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