First principles quasiparticle damping rates in bulk lead

Details First principles quasiparticle damping rates in bulk lead First principles quasiparticle damping rates in bulk lead

2010-08-20

arxiv.org/abs/1008.3415v1

Physics

Condensed Matter

Materials Science

10 pages, 8 figures, 5 tables

Scientific paper

First principles calculations of the damping rates (inverse inelastic lifetimes) of low energy quasiparticles in bulk Pb are presented. Damping rates are obtained both for excited electrons and holes with energies up to 8 eV on a set of k vectors throughout the Brillouin zone (BZ). Strong localization effects in the calculated lifetimes are found. Averaged over the BZ inelastic lifetimes versus quasiparticle energy are reported as well. In addition, the effect of the spin-orbit induced splitting in the band structure on the calculated lifetimes in Pb is investigated.

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