Hundness versus Mottness in a three-band Hubbard–Hund model: On the origin of strong correlations in Hund metals

Hundness versus Mottness in a three-band Hubbard–Hund model: On the origin of strong correlations in Hund metals

Hund metals are multi-orbital systems with moderate Coulomb interaction, U, among charges and sizeable Hund’s rule coupling, J(

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Bibliographische Detailangaben
Veröffentlicht in:Annals of physics 2019-06, Vol.405, p.365-409
Hauptverfasser: Stadler, K.M., Kotliar, G., Weichselbaum, A., von Delft, J.
Format: Artikel
Sprache:eng
Schlagworte:
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
COULOMB FIELD
DEGREES OF FREEDOM
Dynamical mean-field theory
FERMI GAS
FLUCTUATIONS
HUBBARD MODEL
Hund metal
Hundness
IMPURITIES
MEAN-FIELD THEORY
METALS
MOTT SCATTERING
Mott-insulator transition
Multi-orbital model
Numerical renormalization group
PHASE DIAGRAMS
PHYSICAL PROPERTIES
QUASI PARTICLES
RENORMALIZATION
SPIN
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Beschreibung
Zusammenfassung:Hund metals are multi-orbital systems with moderate Coulomb interaction, U, among charges and sizeable Hund’s rule coupling, J(
ISSN:0003-4916
1096-035X
DOI:10.1016/j.aop.2018.10.017