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BPS domain walls from backreacted orientifolds
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2014 (English)In: Journal of High Energy Physics (JHEP), ISSN 1029-8479, E-ISSN 1126-6708, no 5, 040- p.Article in journal (Refereed) Published
Abstract [en]

Compactifications with D-brane and orientifold sources lead to standard gauged supergravity theories if the sources are smeared over the internal directions. It is therefore of interest to find how the solutions described by the gauged supergravity are altered by properly localising the sources. In this paper we analyse this for BPS domain wall solutions in the seven-dimensional gauged supergravity obtained from an O6 toroidal orientifold in massive IIA supergravity. This is one of the simplest no-scale supergravities that can be constructed and analysed in full detail. We find the BPS domain walls when the O6 planes are smeared. When the O6 planes are localised the domain wall solutions live in a warped compactification and we present the first-order equations these domain walls obey in 10 dimensions. In order to get explicit expressions we also consider the non-compact versions of the solutions for which the O6 planes have been traded for D6 branes and we recover the gauged supergravity expressions for the domain walls in the leading terms of the warp factor. Through T-duality we obtain partially localised solutions for compactifications to four dimensions using O3 planes with 3-form fluxes.

Place, publisher, year, edition, pages
2014. no 5, 040- p.
Keyword [en]
Flux compactifications, D-branes, Superstring Vacua
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-244604DOI: 10.1007/JHEP05(2014)040ISI: 000347850500001OAI: diva2:793305
Available from: 2015-03-06 Created: 2015-02-18 Last updated: 2015-03-06Bibliographically approved

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Blåbäck, Johan
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