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arXiv 2512.03217hep-th
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广义杨-米尔斯理论:在自对偶杨-米尔斯理论与物理杨-米尔斯理论之间插值

Generalized Yang-Mills theory: Interpolating between SDYM and YM

Tolga Domurcukgül, Hao Geng, Mendel Nguyen, Mithat Ünsal

AI总结:

本文提出一种广义杨-米尔斯理论,通过两个耦合常数在自对偶和物理杨-米尔斯理论间插值,揭示了重整化群不变量,并验证了真空结构与质量间隙的形成机制。

摘要:

我们构建了一个具有两个实耦合常数的广义杨-米尔斯(YM)理论,该理论连续地在自对偶杨-米尔斯(SDYM)极限(也称为查尔默斯-西格尔理论)和物理杨-米尔斯理论之间插值。动能耦合ε控制局部涨落和反瞬子权重,而拓扑耦合g控制瞬子权重。两种耦合都渐近自由。我们推导了两种耦合beta函数之间的精确全阶关系,揭示了一个重整化群不变量,一个新的无量纲展开参数Λ_ε/Λ_g进入YM理论的研究。在SDYM极限下,真空被有限密度的拓扑缺陷填充,然而局部相关函数衰减为代数形式,与非单位ary共形场理论一致。我们通过在任意大小的R^3×S^1紧化上验证了这一机制,其中真空映射到非相互作用的理想气体中的单极-瞬子。当开启动能耦合时,质量间隙和束缚尺度出现。

英文摘要:

We construct a generalized Yang-Mills (YM) theory with two real couplings, interpolating continuously between the Self-Dual Yang-Mills (SDYM) limit (also called Chalmers-Siegel theory) and physical Yang-Mills theory. The kinetic coupling $ε$ controls local fluctuations and anti-instanton weight, while the topological coupling $g$ controls the instanton weight. Both couplings are asymptotically free. We derive an exact all-order relation between the beta functions of the two couplings, revealing a Renormalization Group invariant, a new dimensionless expansion parameter $Λ_ε/ Λ_g$ into the study of YM theory. In the SDYM limit, the vacuum is populated by a finite density of topological defects, yet local correlators decay algebraically, consistent with a non-unitary conformal field theory. We confirm this mechanism via compactification on arbitrary size $\mathbb{R}^3 \times S^1$, where the vacuum maps to a non-interacting ideal gas of monopole-instantons. As the kinetic coupling is turned on, a mass gap and confinement scale emerge.

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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