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Itinerant-Electron Magnetism and Spin Fluctuations—Aspects of Theories and Experiments

In: Creative Complex Systems

Author

Listed:
  • Kazuyoshi Yoshimura

    (Kyoto University
    Kyoto University
    Kyoto University)

Abstract

This chapter reviews the history of magnetism, which is one of the main streams of solid-state physicsSolid-state physics and quantum physicsQuantum physics, and developments of itinerant-electron magnetism and exotic superconductivityExotic superconductivity in terms of spin fluctuationsSpin fluctuations are discussed from theoretical and experimental points of view. Spin-fluctuation theories beyond mean-field approximations are important to explain static magnetic properties as well as the dynamical properties of itinerant magnets. It was found that electron-pair formation due to magnetic spin fluctuationsSpin fluctuations can be realized in exotic superconductors. Problems in itinerant-electron systems continue to attract our interest.

Suggested Citation

  • Kazuyoshi Yoshimura, 2021. "Itinerant-Electron Magnetism and Spin Fluctuations—Aspects of Theories and Experiments," Creative Economy, in: Kazuo Nishimura & Masatoshi Murase & Kazuyoshi Yoshimura (ed.), Creative Complex Systems, chapter 0, pages 189-213, Springer.
    • Handle: RePEc:spr:crechp:978-981-16-4457-3_13
    DOI: 10.1007/978-981-16-4457-3_13
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