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Strong Correlation and Superconductivity : Proceedings of the IBM Japan International Symposium, Mt. Fuji, Japan, 21-25 May, 1989

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概要 This volume contains the proceedings of the ffiM Japan International Sympo sium on Strong Correlation and Superconductivity, which was held in Keidan ren Guest House at the foot of Mt. Fuji, May 21-25..., 1989. The purpose of the Symposium was to provide an opportunity for discus sions on the problem of strong correlation of electrons in the context of high-Tc superconductivity. Sixty-eight scientists were invited from seven countries and forty-three papers were presented in the Symposium. Soon after the discovery ofhigh-Tc superconducting oxides, Professor P. W. Anderson proposed that the essence of high-Tc superconductivity lies in the strong correlation among the electrons in these materials. This proposal has stimulated a wide range of theoretical investigations on this profound and dif ficult problem, which are expected to lead eventually to new concepts describ ing strong electron correlation. In the Symposium, Anderson himself started lively discussions by his talk entitled "Myth and Reality in High-Tc Supercon ductivity", which was followed by various reports on theoretical studies and experimental results. Concise and thoughtful summaries of experiment and theory were given by Professors H. R. Ott and P. A. Lee, respectively. It is our hope that this volume reflects the present status of the research activity on this outstanding problem from the viewpoint of the basic physics and that it will further stimulate the effort to understand these fascinating systems, the high-Tc oxides.続きを見る
目次 I Overview
Myth and Reality in High-Tc Superconductivity
II Theory
Recent Advances in the Stability and Properties of Commensurate Flux Phases
U(1) Gauge Field, t'-J Model and Superconductivity
Spectroscopic and Theoretical Estimates of Parameters in Model Hamiltonians Describing the High and Low Energy Scale Physics of Doped CuO2 Planes
Effective Hamiltonian for High-Tc Cu Oxides
The Madelung Energy of Cu-O Based Compounds
Electronic Properties in the Cu-Oxide Superconductors
Core-Level Spectroscopy in High-Tc Superconducting Materials
Dispersive Single-Particle Excitations in Strongly Correlated Two-Dimensional Systems
Magnetism and Superconductivity in Strongly Correlated Systems in One and Two Dimensions
Characteristics of the Charged Hole in the One-Dimensional Mott Insulator
On the Application of Projection Techniques to the Electron Correlation Problem
Slave-Fermion Mean Field Theory of the Hubbard Model
Disorder and Interactions in the Hubbard Model
Characteristic Features of Electronic States in High-Tc Superconducting Oxides
Anderson Lattice Model of High-Tc Superconductors
Quasi-Particles in the Degenerate Lattice Anderson Model
Experimental Constraints and Theory of Layered High-Tc Superconductors
III Experiments
Physical Properties of High-Tc Oxide Superconductors - Effect of Doping on the Electronic State
Andreev Reflection, Thermal Conductivity, Torque Magnetometry, and Hall Effect Studies on High-Tc Systems
Resistive State and Hall Effect in High-Tc Superconductors
Raman Probing of Electronic Gap Excitations and Their Coupling to Phonons in High-Tc Superconductors
Magnetic Correlations in High-Tc Oxides in the Superconducting State
NMR Studies of YBa2Cu3O7?? (Tc = 90 K)
NMR and NQR in Highly Correlated Metallic and Superconducting Cu Oxides
NMR Study of High-Tc Superconductors
Tunneling Spectroscopy and Energy Gap of High-Tc Oxide Superconductors
Optical Absorption in La2?xSrxCuO4 Epitaxial Thin Films
Infrared Studies of Oxide Superconductors in the Normal and Superconducting States
Nature of the Electronic States Near the Fermi Level in High-Tc Superconductors: High-Energy Spectroscopic Evidence
Photoemission, Inverse Photoemission and X-Ray Absorption Spectroscopies of Bi2Sr2CaCu2O8
A New Family of High-Tc Superconductors: (Ln1?xCex)2(Ba1?yLny)2Cu3O10?z (Ln: Nd, Sm, Eu and Gd)
Magnetic Interactions in High-Tc Superconductors and Related Oxides
Physical Properties of (Ba,K)BiO3
Flux Creep and the Crossover to Flux Flow in the Resistivity of High-Tc Superconductors
Giant Fluctuation Model and the Field-Induced Broadening of the Superconducting Transition in Oxides
Flux Dynamics and Electronic Anisotropy in High-Tc Superconductors
IV Summary
Summary Talk: Experimental
Summary Talk: Theory
V Abstracts
Recent Numerical Results on the Two-Dimensional Hubbard Model
Valence Bond and Spin-Peierls Ground States of Low-Dimensional Quantum Antiferromagnets
Holes in Copper Oxides: Where Are They? How Do They Conduct? How Do They Affect Superconductivity?
Optical Excitations in CuO2 Sheets With and Without Electron Doping: Relevance to Superconductivity Produced by Electron Doping
Experimental Observations on Superconducting Single Crystals
Index of Contributors.
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登録日 2020.06.27
更新日 2020.06.28