期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP02(2012)025
关键词
Flux compactifications; dS vacua in string theory; Superstring Vacua; D-branes
资金
- Goran Gustafsson Foundation
- Swedish Research Council
- German Research Foundation (DFG) within the Cluster of Excellence QUEST
- ERC [259133-ObservableString]
- German Research Foundation (DFG) [WR 166/1-1]
- Alfred P. Sloan Foundation
- NSF [PHY-0757868]
- Division Of Physics
- Direct For Mathematical & Physical Scien [757868] Funding Source: National Science Foundation
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.
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