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arXiv 0706.3083hep-lathep-th
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含Ginsparg-Wilson费米子的Yukawa-Higgs模型的微扰谱

Perturbative spectrum of a Yukawa-Higgs model with Ginsparg-Wilson fermions

Hiroshi Suzuki

摘要:

本文研究了Bhattacharya,Martin和Poppitz最近提出的一种可能的手征规范理论格点表述的Ginsparg-Wilson(GW)费米子Yukawa-Higgs模型.一个简单的论证表明,无论相互作用的强度如何,规范玻色子总是通过施蒂克尔堡(或者广义上的希格斯)机制获得质量。规范对称性自发破缺。当规范耦合常数较小时,模型的物理谱由无质量费米子、有质量费米子和\emph{massive}矢量玻色子组成。

英文摘要:

A Yukawa-Higgs model with Ginsparg-Wilson (GW) fermions, proposed recently by Bhattacharya, Martin and Poppitz as a possible lattice formulation of chiral gauge theories, is studied. A simple argument shows that the gauge boson always acquires mass by the Stückelberg (or, in a broad sense, Higgs) mechanism, regardless of strength of interactions. The gauge symmetry is spontaneously broken. When the gauge coupling constant is small, the physical spectrum of the model consists of massless fermions, massive fermions and \emph{massive} vector bosons.

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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