Cosmic D- and DF-strings from D3Dbar3: Black Strings and BPS Limit

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dc.creatorKim, Taekyung
dc.creatorKim, Yoonbai
dc.creatorKyae, Bumseok
dc.creatorLee, Jungjai
dc.date2006-12-28
dc.date2007-12-28
dc.date.accessioned2026-07-07T11:23:32Z
dc.date.available2026-07-07T11:23:32Z
dc.descriptionWe study D- and DF-strings in a D3${\bar {\rm D}}3$ system by using Dirac-Born-Infeld type action. In the presence of an electric flux from the transverse direction, we discuss gravitating thick D-string solutions of a spatial manifold, ${\rm S}^{2}\times {\rm R}^{1}$, in which straight D-strings stretched along the R${}^{1}$ direction are attached to the south and north poles of the two-sphere. There is a horizon along its equator, which means the structure of black strings is formed. We also discuss the BPS limit for thin parallel D- and DF-strings in both flat and curved spacetime. We obtain the BPS sum rule for an arbitrarily-separated multi-string configuration with a Gaussian type tachyon potential. At the site of each thin BPS D(F)-string, the pressure takes a finite value. We find that there exists a maximum deficit angle $π$ in the conical geometry induced by thin BPS D- and DF-strings.
dc.description24 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/hep-th/0612285
dc.identifierhttp://arxiv.org/abs/hep-th/0612285
dc.identifierPhys.Rev.D77:065027,2008
dc.identifierdoi:10.1103/PhysRevD.77.065027
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194919
dc.subjectHigh Energy Physics - Theory
dc.titleCosmic D- and DF-strings from D3Dbar3: Black Strings and BPS Limit
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