Mott Transition and Electronic States of High-Temperature Superconductors―New Development from the Hubbard Model

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  • Kohno Masanori
    物質・材料研究機構国際ナノアーキテクトニクス研究拠点

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Other Title
  • モット転移と高温超伝導体の電子状態―ハバードモデルからの新展開
  • モット テンイ ト コウオン チョウデンドウタイ ノ デンシ ジョウタイ : ハバードモデル カラ ノ シン テンカイ

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Description

<p>The nature of the Mott transition is discussed based on recent theoretical results for the one- and two-dimensional Hubbard models. The Mott transition is characterized by freezing of the charge degrees of freedom in a single-particle excitation that leads continuously to the spin excitation of the Mott insulator. Various anomalous features observed in cuprate high-temperature superconductors are explained in a unified manner as properties of a two-dimensional system near the Mott transition.</p>

Journal

  • Butsuri

    Butsuri 71 (8), 533-540, 2016

    The Physical Society of Japan

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