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Comment on "High temperature fermion propagator - resummation and gauge dependence of the damping rate"
Baier et al. have reported the damping rate of long-wavelength fermionic excitations in high-temperature QED and QCD to be gauge-fixing-dependent even within the resummation scheme due to Braaten and Pisarski. It is shown that this problem is caused by the singular nature of the on-shell expansion o...
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| Lenguaje: | eng |
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1992
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.46.4779 http://cds.cern.ch/record/235428 |