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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Self-organization, condensation, and annihilation of topological vortices and antivortices in a multiferroic
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Self-organization, condensation, and annihilation of topological vortices and antivortices in a multiferroic

机译：多铁性体中拓扑涡旋和反涡旋的自组织，凝聚和an灭

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摘要

The interaction among topological defects can induce novel phenomena such as disclination pairs in liquid crystals and superconducting vortex lattices. Nanoscale topological vortices with swirling ferroelectric, magnetic, and structural antiphase relationships were found in multiferroic h-YMnO_3. Herein, we report the discovery of intriguing, but seemingly irregular configurations of a zoo of topological vortices and antivortices. These configurations can be neatly analyzed in terms of graph theory and reflect the nature of self-organized criticality in complexity phenomena. External stimuli such as chemistry-driven or electric poling can induce the condensation and eventual annihilation of topological vortex-antivortex pairs.
机译：拓扑缺陷之间的相互作用可以引发新现象，例如液晶中的旋错对和超导涡旋晶格。在多铁性h-YMnO_3中发现了具有旋涡铁电，磁性和结构反相关系的纳米级拓扑涡。在此，我们报告了拓扑涡旋和反涡旋动物园的有趣但看似不规则的配置。这些配置可以根据图论进行整洁的分析，并反映出复杂现象中自组织临界的性质。外部刺激（例如化学驱动或电极化）可能会导致拓扑涡旋-反涡旋对的凝结和最终hil灭。

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    S. C. Chae; Y. Horibe; D. Y. Jeong; S. Rodan; N. Lee; S.-W. Cheong;

  • 作者单位

    Rutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854;

    Rutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854;

    Department of Mathematics, Soongsil University, Seoul 156-743, Korea;

    Rutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854;

    Rutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854;

    Rutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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