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Mott-Hubbard localization: An Overview -

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

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Mott-Hubbard localization: An Overview -

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  1. Mott-Hubbard localization: An Overview - Jozef Spałek Marian Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland

  2. CONTENTS • V2O3, NiS2-xSex, 3He • Mott-Hubbard, charge-transfer, Kondo lattices • Effective-mass divergence:Fermi liquid  atomic states • Effect of orbital ordering:V2O3? LaMnO3 (insulators)

  3. Delocalized versus localized a) Metal Plane waves (Bloch states) b) Mott-Hubbard insulator Atomic states Either be wholly slaves or wholly free. (John Dryden, 1687)

  4. AFI PM PI PM' T H. Kuwamoto et al., PRB 22 (1980) 2626

  5. J. S. et al., PRL 59, 728 (1987) – orbitally nondegenerate;A. Klejnberg & J. S., PRB 57, 12 041 (1998) – degenerate.

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