• Corpus ID: 248665804

Gauge Invariance of Non-Abelian Field Strength Correlators: the Axial Gauge Puzzle

  title={Gauge Invariance of Non-Abelian Field Strength Correlators: the Axial Gauge Puzzle},
  author={Bruno Scheihing-Hitschfeld and Xiaojun Yao},
Many transport coefficients of the quark-gluon plasma and nuclear structure functions can be written as gauge invariant correlation functions of non-Abelian field strengths dressed with Wilson lines. We discuss the applicability of axial gauge n · A = 0 to calculate them. In particular, we address issues that appear when one attempts to trivialize the Wilson lines in the correlation functions by gauge-fixing. We find it is always impossible to completely remove the gauge fields n · A in Wilson lines… 

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