2006/01/31 by Stefano Giusto, Samir D. Mathur, Yogesh Kumar Srivastava +1 · 2 citations
Engineering · Physics and Astronomy · #Advanced X-ray Imaging Techniques #Black Holes and Theoretical Physics #Particle Accelerators and Free-Electron Lasers #hep-th
paper · pdf · doi:10.1016/j.nuclphysb.2006.11.009
published as Nucl.Phys.B763:60-90,2007 · 31 pages, 3 figures; references added
arxiv created 2006/02/10 · openalex publication_date 2006/12/05 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We start with a 2-charge D1-D5 BPS geometry that has the shape of a ring; this geometry is regular everywhere. In the dual CFT there exists a perturbation that creates one unit of excitation for left movers, and thus adds one unit of momentum P. This implies that there exists a corresponding normalizable perturbation on the near-ring D1-D5 geometry. We find this perturbation, and observe that it is smooth everywhere. We thus find an example of `hair' for the black ring carrying three charges -- D1, D5 and one unit of P. The near-ring geometry of the D1-D5 supertube can be dualized to a D6 brane carrying fluxes corresponding to the `true' charges, while the quantum of P dualizes to a D0 brane. We observe that the fluxes on the D6 brane are at the threshold between bound and unbound states of D0-D6, and our wavefunction helps us learn something about binding at this threshold.