A QCD Debye mass in a broad temperature range

  title={A QCD Debye mass in a broad temperature range},
  author={M. Laine and P. Schicho and Y. Schroder},
  journal={Physical Review D},
The Debye mass sets a scale for the screening of static charges and the scattering of fast charges within a gauge plasma. Inspired by its potential cosmological applications, we determine a QCD Debye mass at two-loop order in a broad temperature range (1 GeV–10 TeV), demonstrating how quark mass thresholds get smoothly crossed. Along the way, integration-by-parts identities pertinent to massive loops at finite temperature are illuminated. 

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