Theory of Kondo lattice

Theory of Kondo lattice

In order to understand the low temperature anomalous properties of some rare-earth compounds (such as CeAl2, CeAl3, TmSe), we introduce a Kondo lattice hamiltonian in which a localized 1/2 spin per site interacts antiferromagnetically with the conduction electron spins. We investigate the ground sta...

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Veröffentlicht in:J. Appl. Phys.; (United States) 1979-11, Vol.50 (B11), p.7555-7560
Hauptverfasser: Jullien, R., Pfeuty, P., Bhattacharjee, A. K., Coqblin, B.
Format: Artikel
Sprache:eng
Schlagworte:
360102 - Metals & Alloys- Structure & Phase Studies
ALLOYS
ALUMINIUM ALLOYS
ALUMINIUM BASE ALLOYS
ANTIFERROMAGNETISM
CERIUM ALLOYS
CHALCOGENIDES
Condensed Matter
ENERGY LEVELS
F STATES
FERMI LEVEL
GROUND STATES
HAMILTONIANS
IMPURITIES
KONDO EFFECT
MAGNETISM
MATERIALS SCIENCE
MATHEMATICAL OPERATORS
ONE-DIMENSIONAL CALCULATIONS
Physics
QUANTUM OPERATORS
RARE EARTH ALLOYS
RARE EARTH COMPOUNDS
RENORMALIZATION
SELENIDES
SELENIUM COMPOUNDS
THULIUM COMPOUNDS
THULIUM SELENIDES
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Beschreibung
Zusammenfassung:In order to understand the low temperature anomalous properties of some rare-earth compounds (such as CeAl2, CeAl3, TmSe), we introduce a Kondo lattice hamiltonian in which a localized 1/2 spin per site interacts antiferromagnetically with the conduction electron spins. We investigate the ground state properties of this hamiltonian by using a real space renormalization group method. After studying a simpler one dimensional analog we study the original hamiltonian in one dimension when there is one conduction electron per site.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.326898