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arXiv 1406.6166hep-thhep-lathep-ph
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四维Higgs临界指数与共形引导

Higgs Critical Exponents and Conformal Bootstrap in Four Dimensions

Oleg Antipin, Esben Mølgaard, Francesco Sannino

摘要:

我们研究了非超对称四维规范汤川理论中复合算子的相关性质,在一个精确的框架内具有相互作用的共形不动点。在这项工作中研究的理论在结构上类似于粒子相互作用的标准模型,但不同的发展微扰相互作用的不动点。研究了Higgs场中二次复合算符的单重态和伴随态的物理性质,发现单重态的反常维数远大于伴随态的反常维数.数值引导的结果进行了比较,精确的四维共形场的理论结果。为了实现这一点,有必要明确地计算整体对称群SU($N$)$\times$ SU($N$)的交叉对称关系。

英文摘要:

We investigate relevant properties of composite operators emerging in nonsupersymmetric, four-dimensional gauge-Yukawa theories with interacting conformal fixed points within a precise framework. The theories investigated in this work are structurally similar to the standard model of particle interactions, but differ by developing perturbative interacting fixed points. We investigate the physical properties of the singlet and the adjoint composite operators quadratic in the Higgs field, and discover that the singlet anomalous dimension is substantially larger than the adjoint one. The numerical bootstrap results are then compared to precise four dimensional conformal field theoretical results. To accomplish this, it was necessary to calculate explicitly the crossing symmetry relations for the global symmetry group SU($N$)$\times$SU($N$).

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