Spectroscopy of Mott Insulators and Correlated Metals: Proceedings of the 17th Taniguchi Symposium, Kashikojima, Japan, October 24-28, 1994

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Springer Science & Business Media, 1995 - Science - 265 pages
I Theory of Mott Transition and Correlated Metals.- Classification Scheme of the Metal-Insulator Transition and Anomalous Metals.- The Mott Transition: Results from Mean-Field Theory.- Some Aspects of Spin Gap in One- and Two-Dimensional Systems.- Quasi-Particles in Two-Dimensional Hubbard Model: Splitting of Spectral Weight.- Almost Localized Fermions and Mott-Hubbard Transitions at Non-Zero Temperature.- Anomalous Physical Properties Around Magnetic and Metal-Insulator Transitions - A Spin-Fluctuation Theory.- Exact Diagonalization Study of Strongly Correlated Electron Models: Hole Pockets and Shadow Bands in the Doped t - J Model.- II Electronic Structure.- Electronic Band Structures of LaMO3 (M = Ti, V, Cr, ..., Ni, Cu) in the Local Spin-Density Approximation.- First-Principles Calculations of the Electronic Structure and Spectra of Strongly Correlated Systems: LDA + U Method.- Unrestricted Hartree-Fock Study of Perovskite-iype Transition-Metal Oxides.- Electronic Structure of Transition Metal Compounds.- Core-Level Spectroscopy in Early-Transition-Metal Compounds.- Systematics of Optical Gaps in Perovskite-iype 3d Transition Metal Oxides.- III Charge Transport and Excitations.- Optical Spectroscopy on the Mott Transition in Perovskiteiype Titanates.- Spectral Weight Transfer and Mass Renormalization in Correlated d-Electron Systems.- Charge Transport Properties of Strongly Correlated Metals near Charge Transfer Insulator to Metal Transition.- Infrared Studies of Kondo Insulator and Related Compounds.- IV Magnetic Response.- Magnetic Correlations in Doped Transition-Metal Oxides.- Spin and Charge Differentiation in Doped CuO2 Planes Observed by Cu NMR/NQR Spectra.- Orbital-Spin Coupling in V2O3 and Related Oxides.- Magnetic and Transport Properties of the Kondo Lattice Model with Ferromagnetic Exchange Coupling.- V New Materials.- Superconductivity, Magnetism and Metal-Insulator Transitions in Some Ternary and Pseudoternary 3d-, 4d-, and 5d-Metal Oxides.- NMR Studies of Superconductivity and Metal-Insulator Transition in Cu Spinel CuM2X4 (M = Rh, Ir and X = S, Se).- Index of Contributors.
 

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Contents

Classification Scheme of the MetalInsulator Transition and Anomalous Metals
3
The Mott Transition Results from MeanField Theory
15
Some Aspects of Spin Gap in One and TwoDimensional Systems
28
QuasiParticles in TwoDimensional Hubbard Model Splitting of Spectral Weight
34
Almost Localized Fermions and MottHubbard Transitions at NonZero Temperature
41
Anomalous Physical Properties Around Magnetic and MetalInsulator Transitions A SpinFluctuation Theory
66
Exact Diagonalization Study of Strongly Correlated Electron Models Hole Pockets and Shadow Bands in the Doped tJ Model
80
Electronic Structure
93
Optical Spectroscopy on the Mott Transition in PerovskiteType Titanates
163
Spectral Weight Transfer and Mass Renormalization in Correlated dElectron Systems
174
Charge Transport Properties of Strongly Correlated Metals near Charge Transfer Insulator to Metal Transition
185
Infrared Studies of Kondo Insulator and Related Compounds
194
Magnetic Response
203
Magnetic Correlations in Doped TransitionMetal Oxides
205
Spin and Charge Differentiation in Doped CuO₂ Planes Observed by Cu NMRNQR Spectra
213
OrbitalSpin Coupling in V₂O₃ and Related Oxides
221

Electronic Band Structures of LaMO₃ M Ti V Cr Ni Cu in the Local SpinDensity Approximation
95
FirstPrinciples Calculations of the Electronic Structure and Spectra of Strongly Correlated Systems LDA + U Method
106
Unrestricted HartreeFock Study of PerovskiteType TransitionMetal Oxides
117
Electronic Structure of Transition Metal Compounds
126
CoreLevel Spectroscopy in EarlyTransitionMetal Compounds
139
Systematics of Optical Gaps in PerovskiteType 3d Transition Metal Oxides
150
Charge Transport and Excitations
161
Magnetic and Transport Properties of the Kondo Lattice Model with Ferromagnetic Exchange Coupling
230
New Materials
239
Superconductivity Magnetism and MetalInsulator Transitions in Some Ternary and Pseudoternary 3d 4d and 5dMetal Oxides
241
NMR Studies of Superconductivity and MetalInsulator Transition in Cu Spinel CuM₂X₄ M Rh Ir and X S Se
255
Index of Contributors
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