Supersymmetry breaking from a Calabi-Yau singularity

被引:80
作者
Berenstein, D [1 ]
Ouyang, P
Pinansky, SB
机构
[1] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2005年 / 09期
关键词
AdS-CFT and dS-CFT correspondence; D-branes; supersymmetry breaking;
D O I
10.1088/1126-6708/2005/09/084
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 conjecture a geometric criterion for determining whether supersymmetry is spontaneously broken in certain string backgrounds. These backgrounds contain wrapped branes at Calabi-Yau singularites with obstructions to deformation of the complex structure. We motivate our conjecture with a particular example: the Y-2,Y-1 quiver gauge theory corresponding to a cone over the first del Pezzo surface, dP(1). This setup can be analyzed using ordinary supersymmetric field theory methods, where we find that gaugino condensation drives a deformation of the chiral ring which has no solutions. We expect this breaking to be a general feature of any theory of branes at a singularity with a smaller number of possible deformations than independent anomaly-free fractional branes.
引用
收藏
页码:A1067 / A1094
页数:28
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