(Anti-)brane backreaction beyond perturbation theory

被引:49
作者
Blaback, Johan [1 ]
Danielsson, Ulf H. [1 ]
Junghans, Daniel [2 ,3 ]
Van Riet, Thomas [4 ]
Wrase, Timm [5 ]
Zagermann, Marco [2 ,3 ]
机构
[1] Uppsala Univ, Inst Fys & Astron, SE-75108 Uppsala, Sweden
[2] Leibniz Univ Hannover, Inst Theoret Phys, D-30167 Hannover, Germany
[3] Leibniz Univ Hannover, Ctr Quantum Engn & Spacetime Res, D-30167 Hannover, Germany
[4] CEA Saclay, CNRS URA 2306, Inst Phys Theor, F-91191 Gif Sur Yvette, France
[5] Cornell Univ, Dept Phys, Ithaca, NY 14853 USA
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 02期
基金
美国国家科学基金会; 瑞典研究理事会;
关键词
Flux compactifications; dS vacua in string theory; Superstring Vacua; D-branes; DIMENSIONS;
D O I
10.1007/JHEP02(2012)025
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
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.
引用
收藏
页数:23
相关论文
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