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arXiv 1003.1668hep-thhep-lathep-ph
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基本荷电标量场的Landau规范Yang-Mills理论的红外行为

On the Infrared Behavior of Landau Gauge Yang-Mills Theory with a Fundamentally Charged Scalar Field

Leonard Fister, Reinhard Alkofer, Kai Schwenzer

摘要:

最近的研究表明,朗道规范QCD的红外奇异性可以通过线性上升的势来约束静态夸克。我们发现,同样的机制也可以提供一个限制的基本表示的带电标量场之间的相互作用。这证实了在这种情况下,静态约束是规范扇区的普遍属性,即使它在物质扇区的函数方程中被正式表示。简化相比,费米的情况下,标量系统的功能方程的数值研究以及规范固定的晶格模拟的约束机制的详细分析的理想实验室。

英文摘要:

Recently it has been shown that infrared singularities of Landau gauge QCD can confine static quarks via a linearly rising potential. We show that the same mechanism can also provide a confining interaction between charged scalar fields in the fundamental representation. This confirms that within this scenario static confinement is a universal property of the gauge sector even though it is formally represented in the functional equations of the matter sector. The simplifications compared to the fermionic case make the scalar system an ideal laboratory for a detailed analysis of the confinement mechanism in numerical studies of the functional equations as well as in gauge-fixed lattice simulations.

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