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Damping Rate of Quasiparticles in Degenerate Ultrarelativistic Plasmas

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arxiv hep-ph/9609369 v1 pith:VQ7GOS4M submitted 1996-09-17 hep-ph cond-mathep-thnucl-th

classification hep-phcond-mathep-thnucl-th
keywords photonsdampingratecasecomputecontributionfermionproportional
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abstract

We compute the damping rate of a fermion in a dense relativistic plasma at zero temperature. Just above the Fermi sea, the damping rate is dominated by the exchange of soft magnetic photons (or gluons in QCD) and is proportional to $(E-\mu)$, where E is the fermion energy and $\mu$ the chemical potential. We also compute the contribution of soft electric photons and of hard photons. As in the nonrelativistic case, the contribution of longitudinal photons is proportional to $(E-\mu)^2$, and is thus non leading in the relativistic case.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Chiral kinetic theory from the on-shell effective theory: derivation of collision terms

    hep-ph 2019-08 accept novelty 6.0 of 10

    Collision terms of chiral kinetic theory are derived to order 1/E from the on-shell effective field theory, with spin-dependent couplings to circularly polarized photons, and checked against a QED decay rate.

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