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arXiv 2503.03358hep-th
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Wess-Zumino模型中的三圈手征有效势

Three-loop chiral effective potential in the Wess-Zumino model

I. L. Buchbinder, R. M. Iakhibbaev, D. I. Kazakov, D. M. Tolkachev

AI总结:

本文计算了无质量Wess-Zumino模型中手征有效势的三圈贡献,证明在非重整化定理下有限修正依然存在,并分析了三个三圈超图的紫外有限性及所需单圈抵消项。

摘要:

我们计算了无质量Wess-Zumino模型中手征有效势的三圈贡献。研究表明,尽管非重整化定理禁止手征势的发散贡献,但在无质量情况下有限修正依然存在。仅有三个三圈超图在纯手征部分产生超场有效作用量。其中两个是UV有限的,而第三个需要与手征场重整化相对应的单圈抵消项。

英文摘要:

We calculate the three-loop contribution to the chiral effective potential in the massless Wess-Zumino model. It is shown that while the non-renormalisation theorem forbids divergent contributions to the chiral potential, in the massless case the finite corrections survive. There are only three three-loop supergraphs that give rise to a superfield effective action in the pure chiral sector. Two of them are UV finite while the third requires one-loop counterterm corresponding to the chiral field renormalisation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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