根据重整化群不变性，物理量本身并不依赖于重整化方案和重整化能标，但在微扰量子色动力学（QCD）有限阶估算下，理论预言往往依赖于重整化......

We illustrate via the sunset diagram that dimensional regularization ‘deforms' the nonlocal contentsof multi-loop d......