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The retarded electron propagator S_{R}(p_{0},p) at high momentum p>>T was shown by Blaizot and Iancu to be an entire function of complex p_{0}. In this paper a specific form for S_{R}(p_{0},p) is obtained and checked by showing that its temporal Fourier transform S_{R}(t, p) has the correct behavior at large t. Potential infrared and collinear divergences from the emission of soft photons do not occur. Comment: 8 pages

Source Citation

Weldon, H. Arthur. (2004). Electron Thermal Propagator At P ≫ T : An Entire Function Of P 0. Physical Review DParticles and Fields, 69(4).