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Fractional branes, warped compactifications and backreacted orientifold planes
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2012 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 2012, no 10Article in journal (Refereed) Published
Abstract [en]

The standard extremal p-brane solutions in supergravity are known to allow for a generalisation which consists of adding a linear dependence on the worldvolume coordinates to the usual harmonic function. In this note we demonstrate that remarkably this generalisation goes through in exactly the same way for p-branes with fluxes added to it that correspond to fractional p-branes. We relate this to warped orientifold compactifications by trading the Dp-branes for Op-planes that solve the RR tadpole condition. This allows us to interpret the worldvolume dependence as due to lower-dimensional scalars that flow along the massless directions in the no-scale potential. Depending on the details of the fluxes these flows can be supersymmetric domain wall flows. Our solutions provide explicit examples of backreacted orientifold planes in compactifications with non-constant moduli.

Place, publisher, year, edition, pages
2012. Vol. 2012, no 10
Keyword [en]
Flux compactifications, Supergravity models, Superstring vacua
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-184919DOI: 10.1007/JHEP10(2012)139ISI: 000310851300060OAI: oai:DiVA.org:uu-184919DiVA: diva2:570514
Available from: 2012-11-19 Created: 2012-11-15 Last updated: 2017-12-07Bibliographically approved

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Blåbäck, Johan

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