Magnetization Process of the Kagome-Lattice Antiferromagnet : Anomalous Critical Phenomena Called by the Name of Magnetization Ramp(Current Topics)

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Other Title
  • 籠目格子反強磁性体の磁化過程 ―「磁化ランプ」という異常臨界現象― (最近の研究から)
  • 籠目格子反強磁性体の磁化過程--「磁化ランプ」という異常臨界現象
  • カゴメ ゴウシ ハン キョウジセイタイ ノ ジカ カテイ ジカ ランプ ト イウ イジョウ リンカイ ゲンショウ

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Abstract

The properties of the kagome-lattice antiferromagnet has been clarified from the development of numerical-diagonalization studies by large-scale parallelization although our understanding of this system which is one of the two-dimensional frustrated systems is not so deep due to the limitation of effective methods of analysis. In this article, we report three novel phenomena in the magnetization process: a "magnetization ramp" that is different from a typical magnetization plateau, gapless spin excitation, and ferrimagnetism in the case of spatially anisotropic interactions.

Journal

  • Butsuri

    Butsuri 66 (11), 832-836, 2011-11-05

    The Physical Society of Japan

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