Journal of High Energy Physics

, 2012:25 | Cite as

(Anti-) brane backreaction beyond perturbation theory

  • Johan Blåbäck
  • Ulf H. Danielsson
  • Daniel Junghans
  • Thomas Van Riet
  • Timm Wrase
  • Marco Zagermann


We improve on the understanding of the backreaction of anti-D6-branes in a flux background that is mutually BPS with D6-branes. This setup is analogous to the study of the backreaction of anti-D3-branes inserted in the KS throat, but does not require us to smear the anti-branes or do a perturbative analysis around the BPS background. We solve the full equations of motion near the anti-D6-branes and show that only two boundary conditions are consistent with the equations of motion. Upon invoking a topological argument we eliminate the boundary condition with regular H flux since it cannot lead to a solution that approaches the right kind of flux away from the anti-D6-branes. This leaves us with a boundary condition which has singular, but integrable, H flux energy density.


Flux compactifications dS vacua in string theory Superstring Vacua D-branes 


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Copyright information

© SISSA, Trieste, Italy 2012

Authors and Affiliations

  • Johan Blåbäck
    • 1
  • Ulf H. Danielsson
    • 1
  • Daniel Junghans
    • 2
  • Thomas Van Riet
    • 3
  • Timm Wrase
    • 4
  • Marco Zagermann
    • 2
  1. 1.Institutionen för fysik och astronomiUppsala UniversitetUppsalaSweden
  2. 2.Institut für Theoretische Physik & Center for Quantum Engineering and Spacetime ResearchLeibniz Universität HannoverHannoverGermany
  3. 3.Institut de Physique ThéoriqueCEA SaclayGif-sur-YvetteFrance
  4. 4.Department of PhysicsCornell UniversityIthacaU.S.A.

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