研究 433 阶 Litim-Sannino 模型中的共形窗口

IF 0.4 Q4 PHYSICS, PARTICLES & FIELDS

Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI:10.1134/S1547477124700651

A. Mukhaeva

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引用次数: 0

摘要

我们考虑了一个四维量子场论，它具有弱相互作用的紫外定点，轨则定点达到四环阶，尤卡娃和四元标量β函数达到三环阶。我们计算了与\({{N}_{f}}\)基本费米子和基本标量耦合的\(SU({{N}_{c}})\)规理论的定点。此外，我们还发现了定点耦合、场和质量反常维数，以及在一个较小的威尼斯参数中达到前三个非三阶的缩放指数。此外，我们还研究了共形窗口的大小。

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Investigating of Conformal Window in the Litim–Sannino Model at 433 Order

We consider a four-dimensional quantum field theory with weakly interacting ultraviolet fixed points up to four loop order for gauge, three loop to Yukawa and quartic scalar beta functions. We compute them for a \(SU({{N}_{c}})\) gauge theory coupled to \({{N}_{f}}\) fundamental fermions and elementary scalars. Moreover, we found fixed point couplings, field and mass anomalous dimensions, and scaling exponents up to the first three non-trivial orders in a small Veneziano parameter. Further, we investigate the size of the conformal window.

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来源期刊

Physics of Particles and Nuclei Letters PHYSICS, PARTICLES & FIELDS-

CiteScore

0.80

自引率

20.00%

发文量

108

期刊介绍： The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.