I discuss various situations in which perturbative expansions are used in Yang–Mills theories with asymptotic freedom and establish the limits of its applicability.

中文翻译：

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强耦合与弱耦合下的 Yang-Mills

我讨论了在具有渐近自由度的杨-米尔斯理论中使用微扰展开的各种情况，并确定了其适用性的限制。