Volume 67, Number 2, July 2004
|Page(s)||226 - 232|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 July 2004|
Temperature-dependent transport of correlated disordered electrons: Elastic vs. inelastic scattering
Department of Physics and National High Magnetic Field Laboratory Florida State University - Tallahassee, FL 32306, USA
2 Instituto de Física Gleb Wataghin, Unicamp - C.P. 6165 Campinas, SP 13083-970, Brazil
3 Center for Materials Theory, Serin Physics Laboratory, Rutgers University 136 Frelinghuysen Road, Piscataway, NJ 08854, USA
Accepted: 7 May 2004
Temperature-dependent transport of disordered electronic systems is examined in the presence of strong correlations. In contrast to what is assumed in Fermi-liquid approaches, finite-temperature behavior in this regime proves largely dominated by inelastic electron-electron scattering. This conclusion is valid in the strong-coupling limit, where the disorder, the correlations and the Fermi energy are all comparable, as in many materials near the metal-insulator transition.
PACS: 71.10.Fd – Lattice fermion models (Hubbard model, etc.) / 72.10.-d – Theory of electronic transport; scattering mechanisms / 71.30.+h – Metal-insulator transitions and other electronic transitions
© EDP Sciences, 2004
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