We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Infrared catastrophe in a two-quasiparticle collision integral.
- Authors
Dimitrova, O. V.; Kravtsov, V. E.
- Abstract
Relaxation of a nonequilibrium state in a disordered metal with a spin-dependent electron energy distribution is considered. The collision integral due to the electron-electron interaction is computed within the approximation of a two-quasiparticle scattering. It is shown that the spin-flip scattering processes with a small energy transfer may lead to the divergence of the collision integral for a quasi one-dimensional wire. This divergence is present only for a spin-dependent electron energy distribution that corresponds to the total electron spin magnetization M = 0 and only for nonzero interaction in the triplet channel. In this case, a nonperturbative treatment of the electron-electron interaction is needed to provide an effective infrared cutoff.
- Subjects
QUASIPARTICLES; COLLISION integrals; METALS; SPECTRAL energy distribution; ELECTRON-electron interactions
- Publication
JETP Letters, 2008, Vol 86, Issue 10, p670
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364007220122