電子ドープ型銅酸化物超伝導体の高エネルギー磁気励起 High-energy Magnetic Excitations in Electron-doped High-<i>T</i><sub>c</sub> Cuprate

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<p>We introduce the inelastic neutron and synchrotron X-ray scattering studies on the magnetic excitation in the electron-doped copper oxide. The recent development of state-of-the-art spectrometers at large facilities such as J-PARC enables us to study composite dynamics in the energy-momentum space arising from the interacting degrees of freedom. High-<i>T</i><sub>c</sub> copper oxide superconductor is exotic systems, in which the spin and charge degrees of freedom are coupled. We found the elongation of spin excitation by the electron-doping, which is quite different from the negligible doping effect in the hole-doped system. Therefore, there exists the electron-hole asymmetry in the observed spin excitation against the doping.</p>

収録刊行物

  • 波紋

    波紋 25(1), 18-21, 2015

    日本中性子科学会

各種コード

  • NII論文ID(NAID)
    130007510541
  • NII書誌ID(NCID)
    AA11905115
  • 本文言語コード
    JPN
  • ISSN
    1349-046X
  • NDL 記事登録ID
    026095246
  • NDL 請求記号
    Z74-D924
  • データ提供元
    NDL  J-STAGE 
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