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
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Spectroscopy of Mott Insulators and Correlated Metals Extensive studies of high-Tc cuprate superconductors have stimualted investigations into various transition-metal oxides. Mott transitions in particular provide fascinating problems and new concepts in condensed matter physics. This book is a collection of short overviews by well-known, active researchers in this field. It deals with the latest developments, with particular emphasis on the theoretical, spectroscopic, and transport aspects.
 

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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
265
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