Theory of heavy fermions and valence fluctuations : proceedings of the Eighth Taniguchi Symposium, Shima Kanko, Japan, April 10-13, 1985
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Theory of heavy fermions and valence fluctuations : proceedings of the Eighth Taniguchi Symposium, Shima Kanko, Japan, April 10-13, 1985
（Springer series in solid-state sciences, 62）
Springer-Verlag, c1985
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Includes bibliographies and index
内容説明・目次
内容説明
This volume contains the proceedings of the Eighth Taniguchi Interna- tional Symposium on the Theory of Condensed Matter, which was held at Shima Kanko Hotel in Shima, Japan, 10-13 April 1985. The topic of the Symposium was Valence Fluctuation and Heavy Fermion Systems, one of the most fundamental problems in present-day condensed matter physics. The dilute Kondo problem, which is one of the most typical and unique many-body problems in condensed matter physics, developed recently into the dense Kondo and the coherent Kondo lattice problems in the 4f elec- tron systems. It is accepted now that a large degeneracy in f-electron systems makes this latter situation possible by enhancing the single-site Kondo state relative to the inter-site magnetic interactions. Now, anoma- lous behavior in f-electron systems show rich variety and are called valence fluctuation phenomena as a whole. They have, however, a common fea- ture. In the lowest temperature region, they show either heavy Fermion- like character or a narrow gap formation at the Fermi energy. Discovery of superconductivity in the heavy Fermion systems is attracting more in- terest.
Anyway, the valence fluctuating states are thought to be of fun- damental importance to bridge the gap between the localized magnetic states and the delocalized nownagnetic states.
目次
I Introductory Survey on Theories and Experiments.- The c-f Mixing Interaction and Valence Fluctuation: Fundamental Considerations.- Heavy-Fermion Superconductivity: Experimental Status Report.- II Exact Solution for Single Impurity.- Exact Solution of the Anderson Model and Its Thermodynamics I.- Exact Solution of the Anderson Model and Its Thermodynamics II - Including Crystalline Field and Spin-Orbit Coupling.- Bethe-Ansatz Solution of the Degenerate Anderson Model: Application to Ce and Yb Impurity Systems.- III Dynamical Properties of Single Impurity.- Kondo Effects versus Crystal Field.- The Frequency-Dependent Susceptibility in the Anderson Model.- IV Spectroscopy Properties.- Ground-State and Spectroscopic Properties of the Finite U Anderson Model.- PES and BIS Spectra in Ce-Compounds.- V Theories for Periodic Systems and Heavy Fermions.- Models for Intermediate Valence Systems and Kondo Lattices - Applications to Cerium and Ytterbium Compounds.- Self-Consistent Perturbation Theory for Valence-Fluctuating Lattice Systems.- Modelling Mixed Valence Systems Using the Generalized Anderson Model.- Ground State of the Periodic Anderson Hamiltonian.- Quasiparticles in Heavy Fermi Liquids and Their Interactions With Phonons.- Z?1 Expansion in Dense Kondo Systems.- Heavy Electron Fermi Liquids - Similarities and Differences to 3He.- VI Superconductivity in Heavy Fermion Systems.- Effect of an External Magnetic Field on the Coherent Kondo State - Upper Critical Field in UBe13.- Superconductivity in Kondo Lattices.- Some Aspects of Heavy Fermion Superconductivity.- Heavy Electron Superconductors - Some Consequences of the p-Wave Pairing.- Phenemenological and Some Microscopic Aspects of Heavy Fermi-Liquids and Their Superconductivity.- Index of Contributors.
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