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arXiv 1909.08642hep-thhep-lathep-ph
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大电荷近似共形动力学

Near-Conformal Dynamics at Large Charge

Domenico Orlando, Susanne Reffert, Francesco Sannino

摘要:

我们研究四维近共形动力学的大电荷限制的手段。我们首先介绍和证明的形式主义,其中的近共形不变性是保险通过添加一个duprons,然后确定的大电荷谱的理论。EFT的径向模也可以看作是EFT的径向模。我们计算了带电算子的两点函数。我们发现,质量的电子,parametrising近破共形不变性,诱导一个新的长期是对数的收费。因此,人们可以利用大电荷极限来探索近共形动力学,并确定与光子相关的性质。

英文摘要:

We investigate four-dimensional near-conformal dynamics by means of the large-charge limit. We first introduce and justify the formalism in which near-conformal invariance is insured by adding a dilaton and then determine the large-charge spectrum of the theory. The dilaton can also be viewed as the radial mode of the EFT. We calculate the two-point functions of charged operators. We discover that the mass of the dilaton, parametrising the near-breaking of conformal invariance, induces a novel term that is logarithmic in the charge. One can therefore employ the large-charge limit to explore near-conformal dynamics and determine dilaton-related properties.

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