Journal of High Energy Physics

, 2012:139 | Cite as

Fractional branes, warped compactifications and backreacted orientifold planes

  • J. Blåbäck
  • B. Janssen
  • T. Van Riet
  • B. Vercnocke
Open Access


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.


Flux compactifications Supergravity Models Superstring Vacua 


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Copyright information

© SISSA 2012

Authors and Affiliations

  • J. Blåbäck
    • 1
  • B. Janssen
    • 2
  • T. Van Riet
    • 3
  • B. Vercnocke
    • 3
  1. 1.Institutionen för fysik och astronomiUppsala UniversitetUppsalaSweden
  2. 2.Departamento de F´ısica Teórica y del Cosmos and Centro Andaluz de Fısica de Part´ıculas ElementalesUniversidad de GranadaGranadaSpain
  3. 3.Institut de Physique Théorique, CEA Saclay, CNRS URA 2306Gif-sur-YvetteFrance

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