mott-hubbard localization: an overview -
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Mott-Hubbard localization: An Overview -. Jozef Spałek Marian Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland. CONTENTS. V 2 O 3 , NiS 2-x Se x , 3 He Mott-Hubbard, charge-transfer, Kondo lattices Effective-mass divergence: Fermi liquid atomic states - PowerPoint PPT Presentation
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Mott-Hubbard localization: An Overview -
Jozef Spałek
Marian Smoluchowski Institute of Physics,
Jagiellonian University, Kraków, Poland
CONTENTS
1. V2O3, NiS2-xSex, 3He
2. Mott-Hubbard, charge-transfer, Kondo lattices
3. Effective-mass divergence:Fermi liquid atomic states
4. Effect of orbital ordering:V2O3? LaMnO3 (insulators)
a) Metal
b) Mott-Hubbard insulator
Plane waves(Bloch states)
Atomic states
Either be wholly slaves or wholly free.(John Dryden, 1687)
Delocalized versus localized
H. Kuwamoto et al., PRB 22 (1980) 2626
T
AFI
PM
PM'PI
J. S. et al., PRL 59, 728 (1987) – orbitally nondegenerate;A. Klejnberg & J. S., PRB 57, 12 041 (1998) – degenerate.
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