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arXiv 2401.07908hep-thhep-ph
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含费米子的额外维度规范理论的相结构研究

On the phase structure of extra-dimensional gauge theories with fermions

Álvaro Pastor-Gutiérrez, Masatoshi Yamada

AI总结:

本文利用泛函重整化群研究五维 Yang-Mills–Dirac 费米子理论,分析规范耦合流、不动点与紧致化半径的关系及相图和真空结构。

摘要:

我们研究了与 Dirac 费米子耦合的五维 Yang-Mills 理论的相结构。为处理其非微扰性质,我们利用泛函重整化群(Functional Renormalisation Group)推导了规范耦合以及 Aharonov-Bohm 相位有效势的流方程。我们将规范耦合流中的红外和紫外不动点解作为第五维紧致化半径的函数进行了分析。我们讨论了平滑连接两个维度极限的不同类型轨迹。最后,我们研究了不同费米子含量下规范势的相图和真空结构。

英文摘要:

We study the phase structure of five-dimensional Yang-Mills theories coupled to Dirac fermions. In order to tackle their non-perturbative character, we derive the flow equations for the gauge coupling and the effective potential for the Aharonov-Bohm phases employing the Functional Renormalisation Group. We analyse the infrared and ultraviolet fixed-point solutions in the flow of the gauge coupling as a function of the compactification radius of the fifth dimension. We discuss various types of trajectories which smoothly connect both dimensional limits. Last, we investigate the phase diagram and vacuum structure of the gauge potential for different fermion content.

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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