D-brane Deconstructions in IIB Orientifolds

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D-brane Deconstructions in IIB Orientifolds

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Title: D-brane Deconstructions in IIB Orientifolds
Author: Esole, Mboyo; Denef, Frederik; Collinucci, Andres

Note: Order does not necessarily reflect citation order of authors.

Citation: Collinucci, Andres, Frederik Denef, and Mboyo Esole. 2009. D-brane deconstructions in IIB orientifolds. Journal of High Energy Physics 2: 005.
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Abstract: With model building applications in mind, we collect and develop basic techniques to analyze the landscape of D7-branes in type IIB compact Calabi-Yau orientifolds, in three different pictures: F-theory, the D7 worldvolume theory and D9-anti-D9 tachyon condensation. A significant complication is that consistent D7-branes in the presence of O7− planes are generically singular, with singularities locally modeled by the Whitney Umbrella. This invalidates the standard formulae for charges, moduli space and flux lattice dimensions. We infer the correct formulae by comparison to F-theory and derive them independently and more generally from the tachyon picture, and relate these numbers to the closed string massless spectrum of the orientifold compactification in an interesting way. We furthermore give concrete recipes to explicitly and systematically construct nontrivial D-brane worldvolume flux vacua in arbitrary Calabi-Yau orientifolds, illustrate how to read off D-brane flux content, enhanced gauge groups and charged matter spectra from tachyon matrices, and demonstrate how brane recombination in general leads to flux creation, as required by charge conservation and by equivalence of geometric and gauge theory moduli spaces.
Published Version: http://dx.doi.org/10.1088/1126-6708/2009/02/005
Other Sources: http://arxiv.org/PS_cache/arxiv/pdf/0805/0805.1573v2.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:3138323

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  • FAS Scholarly Articles [6898]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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