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Internal magnetic fields and supersymmetry in orientifolds
- Source :
-
Nuclear Physics B . Jun2005, Vol. 716 Issue 1/2, p65-87. 23p. - Publication Year :
- 2005
-
Abstract
- Abstract: Within the context of type I strings, we show the equivalence between BPS D9-branes with internal magnetic fluxes in the three torii and non-BPS D3-branes with inverted internal magnetic fluxes . We then construct new supersymmetric examples of orientifolds with discrete torsion which in the past had only non-supersymmetric solutions and emphasize the role of new twisted tadpole cancellation conditions, arising in the presence of magnetic fields, in order to get a consistent spectrum. In a second and independent part of the paper, we construct a new nine-dimensional type IIB orientifold with Scherk–Schwarz deformation which has the peculiarity of introducing a new type of non-BPS O9-planes and which contains as top branes a Scherk–Schwarz deformation of non-BPS D9-branes. The model contains charged D7- and D3-branes with a soft supersymmetry breaking spectrum. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 05503213
- Volume :
- 716
- Issue :
- 1/2
- Database :
- Academic Search Index
- Journal :
- Nuclear Physics B
- Publication Type :
- Academic Journal
- Accession number :
- 17811406
- Full Text :
- https://doi.org/10.1016/j.nuclphysb.2005.03.020