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arXiv 0708.2200hep-th
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Wess-Zumino模型中的超对称真空和R对称真空

Supersymmetric and R symmetric vacua in Wess-Zumino models

Sébastien Ray

摘要:

在具有R对称性的超对称Wess-Zumino模型的背景下,我们发现了一些关于理论中R-电荷含量的简单条件,这些条件意味着超对称真空和R-对称真空的存在或不存在。这项工作的主要结果是,R-电荷0和R-电荷2超场的数量之间的比较是必不可少的对称性破缺的模型的属性。我们还研究了可能的例外纳尔逊-Seiberg定理-发现有超对称真空,打破R对称性的通用模型-和R对称性的自发破缺超求和破缺真空,有一些见解的科尔曼-温伯格单圈潜力。

英文摘要:

In the context of supersymmetric Wess-Zumino models with an R symmetry, we find some simple conditions on the R-charge content of the theory that imply the presence or absence of supersymmetric and R-symmetric vacua. The main result of this work is that the comparison between the number of R-charge 0 and R-charge 2 superfields is essential to the properties of the model as regards symmetry breaking. We also study possible exceptions to the Nelson-Seiberg theorem --finding that there are supersymmetric vacua that break R symmetry in generic models-- and the spontaneous breaking of R symmetry in supersummetry-breaking vacua, with some insight on the Coleman-Weinberg one-loop potential.

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