Fermi-liquid instabilities at magnetic quantum phase transitions

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dc.creatorLöhneysen, Hilbert v.
dc.creatorRosch, Achim
dc.creatorVojta, Matthias
dc.creatorWölfle, Peter
dc.date2006-06-13
dc.date2007-08-28
dc.date.accessioned2026-07-07T08:25:56Z
dc.date.available2026-07-07T08:25:56Z
dc.descriptionThis review discusses instabilities of the Fermi-liquid state of conduction electrons in metals with particular emphasis on magnetic quantum critical points. Both the existing theoretical concepts and experimental data on selected materials are presented; with the aim of assessing the validity of presently available theory. After briefly recalling the fundamentals of Fermi-liquid theory, the local Fermi-liquid state in quantum impurity models and their lattice versions is described. Next, the scaling concepts applicable to quantum phase transitions are presented. The Hertz-Millis-Moriya theory of quantum phase transitions is described in detail. The breakdown of the latter is analyzed in several examples. In the final part experimental data on heavy-fermion materials and transition-metal alloys are reviewed and confronted with existing theory.
dc.description62 pages, 29 figs, review article for Rev. Mod. Phys; (v2) discussion extended, refs added; (v3) shortened; final version as published
dc.identifierhttps://arxiv.org/abs/cond-mat/0606317
dc.identifierhttp://arxiv.org/abs/cond-mat/0606317
dc.identifierRev. Mod. Phys. 79, 1015 (2007)
dc.identifierdoi:10.1103/RevModPhys.79.1015
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/136783
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleFermi-liquid instabilities at magnetic quantum phase transitions
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