Absence of Hybridization Gap in Heavy Electron Systems and Analysis of YbAl3 in terms of Nearly Free Electron Conduction Band

Simple item page
dc.creatorKuroiwa, Hiroyuki
dc.creatorImai, Yoshiki
dc.creatorSaso, Tetsuro
dc.date2007-07-23
dc.date.accessioned2026-07-07T08:52:43Z
dc.date.available2026-07-07T08:52:43Z
dc.descriptionIn the analysis of the heavy electron systems, theoretical models with c-f hybridization gap are often used. We point out that such a gap does not exist and the simple picture with the hybridization gap is misleading in the metallic systems, and present a correct picture by explicitly constructing an effective band model of YbAl_3. Hamiltonian consists of a nearly free electron model for conduction bands which hybridize with localized f-electrons, and includes only a few parameters. Density of states, Sommerfeld coefficient, f-electron number and optical conductivity are calculated and compared with the band calculations and the experiments.
dc.description9 pages, 9 figures, submitted to J. Phys. Soc. Jpn
dc.identifierhttps://arxiv.org/abs/0707.3324
dc.identifierhttp://arxiv.org/abs/0707.3324
dc.identifierJ. Phys. Soc. Jpn. 76 (2007) 124704
dc.identifierdoi:10.1143/JPSJ.76.124704
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145373
dc.subjectStrongly Correlated Electrons
dc.titleAbsence of Hybridization Gap in Heavy Electron Systems and Analysis of YbAl3 in terms of Nearly Free Electron Conduction Band
dc.typetext

Files

Collections

arXiv