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Spin Fluctuations in Itinerant Electron Magnetism

  • Textbook
  • © 1985

Overview

Authors:
  1. Tôru Moriya

    1. Institute of Solid State Physics, University of Tokyo, Roppongi, Minato-ku, Tokyo 106, Japan

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Part of the book series: Springer Series in Solid-State Sciences (SSSOL, volume 56)

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Table of contents (11 chapters)

  1. Front Matter

    Pages I-X
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  2. Introduction

    • Tôru Moriya
    Pages 1-14

  3. Mean-Field Theory of Itinerant Electron Magnetism

    • Tôru Moriya
    Pages 15-29

  4. Dynamical Mean-Field Theory of Spin Fluctuations

    • Tôru Moriya
    Pages 30-43

  5. Self-Consistent Renormalization (SCR) Theory of Spin Fluctuations

    • Tôru Moriya
    Pages 44-81

  6. Physical Properties of Weakly and Nearly Ferro- and Antiferromagnetic Metals

    • Tôru Moriya
    Pages 82-108

  7. Local Magnetic Moments

    • Tôru Moriya
    Pages 109-128

  8. A Unified Theory and Its General Consequences

    • Tôru Moriya
    Pages 129-156

  9. Functional Integral Theory

    • Tôru Moriya
    Pages 157-193

  10. Spin Fluctuations in d-Electron Systems

    • Tôru Moriya
    Pages 194-213

  11. Toward a Unified Theory of Dynamical Spin Fluctuations

    • Tôru Moriya
    Pages 214-222

  12. Concluding Remarks

    • Tôru Moriya
    Pages 223-224

  13. Back Matter

    Pages 225-243
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Keywords

About this book

Ferromagnetism of metallic systems, especially those including transition metals, has been a controversial subject of modern science for a long time. This controversy sterns from the apparent dual character of the d-electrons responsible for magnetism in transition metals, i.e., they are itinerant elec­ trons described by band theory in their ground state, while at finite tem­ peratures they show various properties that have long been attributed to a system consisting of local magnetic moments. The most familiar example of these properties is the Curie-Weiss law of magnetic susceptibility obeyed by almost all ferromagnets above their Curie temperatures. At first the problem seemed to be centered around whether the d-elec­ trons themselves are localized or itinerant. This question was settled in the 1950s and early 1960s by various experimental investigations, in particular by observations of d-electron Fermi surfaces in ferromagnetic transition metals. These observations are generally consistent with the results of band calculations. Theoretical investigations since then have concentrated on explaining this dual character of d-electron systems, taking account of the effects of electron-electron correlations in the itinerant electron model. The problem in physical terms is to study the spin density fluctuati·ons, which are ne­ glected in the mean-field or one-electron theory, and their influence on the physical properties.

Authors and Affiliations

  • Institute of Solid State Physics, University of Tokyo, Roppongi, Minato-ku, Tokyo 106, Japan

    Tôru Moriya

Bibliographic Information

  • Book Title: Spin Fluctuations in Itinerant Electron Magnetism

  • Authors: Tôru Moriya

  • Series Title: Springer Series in Solid-State Sciences

  • DOI: https://doi.org/10.1007/978-3-642-82499-9

  • Publisher: Springer Berlin, Heidelberg

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer-Verlag Berlin Heidelberg 1985

  • Softcover ISBN: 978-3-642-82501-9Published: 10 November 2012

  • eBook ISBN: 978-3-642-82499-9Published: 06 December 2012

  • Series ISSN: 0171-1873

  • Series E-ISSN: 2197-4179

  • Edition Number: 1

  • Number of Pages: X, 242

  • Number of Illustrations: 69 b/w illustrations

  • Topics: Strongly Correlated Systems, Superconductivity

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