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D-branes and orientifolds in calabi-yau compactifications
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Garcia-Raboso, Alberto. D-branes and orientifolds in calabi-yau compactifications. Retrieved from https://doi.org/doi:10.7282/T3KW5GCZ

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Uniform TitleD-branes and orientifolds in calabi-yau compactifications
NameGarcia-Raboso, Alberto (author); Diaconescu, Duiliu-Emanuel (chair); Schnetzer, Stephen (internal member); Zapolsky, Harold (internal member); Tomasiello, Alessandro (outside member); Rutgers University; Graduate School - New Brunswick
Date Created2008
Other Date2008-05 (degree)
SubjectPhysics and Astronomy, D-branes, Calabi-Yau manifolds
Extentvi, 87 pages
DescriptionWe explore the dynamics of nonsupersymmetric D-brane configurations on Calabi-Yau orientifolds with fluxes. We show that supergravity D-terms capture supersymmetry breaking effects predicted by more abstract II-stability considerations. We also investigate the vacuum structure of such configurations in the presence of fluxes. Based on the shape of the potential, we argue that metastable nonsupersymmetric vacua can be in principle obtained by tuning the values of fluxes.
We also develop computational tools for the tree-level superpotential of B-branes in Calabi-
Yau orientifolds. Our method is based on a systematic implementation of the orientifold projection in the geometric approach of Aspinwall and Katz. In the process we lay down some ground rules for orientifold pro jections in the derived category.
This dissertation is based on the following articles published in peer-reviewed journals:
* D.-E. Diaconescu, A. Garcia-Raboso and K. Sinha, A D-brane landscape on Calabi-Yau manifolds, JHEP 0606, 058 (2006), hep-th/0602138.
* D.-E. Diaconescu, A. Garcia-Raboso, R. L. Karp and K. Sinha, D-brane superpotentials in
Calabi-Yau orientifolds, Adv. Theor. Math. Phys. 11, 471 (2007), hep-th/0606180.
NotePh.D.
NoteIncludes bibliographical references (p. 79-86).
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/T3KW5GCZ
LanguageEnglish
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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