The gauge dependence of an effective action with composite fields is investigated for general gauge theories arising in the functional renormalization group approach. It is shown that at any finite scale of the IR cutoff, this action is independent of the gauge fixing conditions at their extrema.

中文翻译：

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功能重整化组方法中具有复合字段的有效动作

对于功能重归一化组方法中出现的一般规范理论，研究了有效动作与组合字段的规范相关性。结果表明，在红外截止的任何有限范围内，该作用都与量规在其极值处的固定条件无关。