D-Brane Dynamics Near NS5-Branes
| dc.creator | Kutasov, D. | |
| dc.date | 2004-05-07 | |
| dc.date | 2004-05-19 | |
| dc.date.accessioned | 2026-07-07T04:16:55Z | |
| dc.date.available | 2026-07-07T04:16:55Z | |
| dc.description | We use the Dirac-Born-Infeld action to study the real time dynamics of a $Dp$-brane propagating in the vicinity of $NS5$-branes. This problem is closely related to tachyon condensation on an unstable D-brane, with the role of the tachyon played by the radial mode on the D-brane. As the D-brane approaches the fivebranes, its equation of state approaches that of a pressureless fluid. The pressure goes to zero at late times like $\exp(-αt)$; $α$ is a function of the number of fivebranes and of the angular momentum of the D-brane. For unstable D-branes a similar equation of state is taken to signal the decay of the D-brane into closed string radiation. We propose that in our case the D-brane decays into modes propagating in the fivebrane throat, and show that this is consistent with spacetime expectations. We also argue that for radial motions of the D-brane deep inside the throat, the rolling process is described by an exactly solvable worldsheet conformal field theory. | |
| dc.description | 22 pages, harvmac; added references | |
| dc.identifier | https://arxiv.org/abs/hep-th/0405058 | |
| dc.identifier | http://arxiv.org/abs/hep-th/0405058 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/52553 | |
| dc.subject | High Energy Physics - Theory | |
| dc.title | D-Brane Dynamics Near NS5-Branes | |
| dc.type | text |