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arXiv 0811.4504hep-thhep-ph
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AdS空间中的Gaugino质量

Gaugino mass in AdS space

Ben Gripaios, Hyung Do Kim, Riccardo Rattazzi, Michele Redi, Claudio Scrucca

摘要:

我们研究了无质量物质在AdS 4中的超对称QED。在1-圈处,该理论的紫外线调节器对高吉诺质量产生了贡献,这与未破缺的超对称性天真地不一致。我们发现,这种效应,在平坦的空间称为异常介导的超对称性破缺,需要取消红外贡献所产生的边界条件在AdS空间,这必然会打破手征对称性。我们还讨论了一个类似的UV/IR抵消是独立的超对称性。

英文摘要:

We study supersymmetric QED in AdS4 with massless matter. At 1-loop the ultra-violet regulator of the theory generates a contribution to the gaugino mass that is naively inconsistent with unbroken supersymmetry. We show that this effect, known in flat space as anomaly mediated supersymmetry breaking, is required to cancel an infra-red contribution arising from the boundary conditions in AdS space, which necessarily break chiral symmetry. We also discuss an analogous UV/IR cancellation that is independent of supersymmetry.

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