Damping of ultrasoft fermions in finite temperature QED

A. Abada, K. Bouakaz, D. Deghiche

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We calculate the fermion damping rates to second order in powers of the external momentum in the context of QED at finite temperature using the hard-thermal-loop summation scheme. We find the coefficients of zeroth and first orders finite whereas that of second-order logarithmically infrared sensitive. The calculation is done in covariant gauge and the result is independent of gauge fixing.

Original languageEnglish
Pages (from-to)903-914
Number of pages12
JournalModern Physics Letters A
Volume22
Issue number12
DOIs
Publication statusPublished - Apr 20 2007

Keywords

  • Infrared sensitivity
  • QED hard thermal loops
  • Ultrasoft fermion damping

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics
  • Physics and Astronomy(all)

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