New Phase of Matter in Multidisciplinary Approach

多学科方法的新阶段

基本信息

  • 批准号:
    15GS0213
  • 负责人:
  • 金额:
    $ 376.31万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Creative Scientific Research
  • 财政年份:
    2003
  • 资助国家:
    日本
  • 起止时间:
    2003 至 2007
  • 项目状态:
    已结题

项目摘要

Our main objectives have established new concepts in materials science through the elucidation of the new phases of matter that underlies the superconductivity and magnetic ordering in strongly correlated matter, and the creation of unique materials, by measuring the properties of the materials in multidisciplinary approach. We list up the remarkable results obtained by this project.1. The discovery of the uniformly coexisting phase of antiferromagnetism (AFM) and superconductivity (SC) in a single CuO_2 layer has lead us to uncover their genuine phase diagram including an AF quantum critical point, which significantly differs from the previously believed phase diagrams as the function of carrier doping level for high-T_c copper-oxides superconductors.2. A tetracritical point in the temperature(T)-pressure(P) phase diagram of the heavy-fermion (HF) compound CeRhIn_5 was unraveled against the previous research results.3. The coexistence phase of ferromagnetism and SC was identified in UGe_2 around a quantum first-order phase transition.4. Novel pressure-induced superconductors CeNiGe_3 and Ce_2Ni_3Ge_5 were discovered.5. The discovery of the pressure-induced SC of HF compounds without inversion symmetry, such as UIr and CeIrSi_3 has pointed to the possibility of a new and unique superconducting state.6. Miyake, et. al. have been able to explain the appearance of high-T_c SC for HF compounds with the sudden change in the. valence number of Ce upon the application of pressure, by a novel anisotropic SC mechanism triggered by the critical valence number fluctuation.These remarkable findings on the new phases of strongly correlated matter would lead us to a coherent understanding of the mechanism of unconventional SC in HF compounds and high-T_c superconductors which is a long-term issue since their discoveries.
我们的主要目标是通过阐明物质的新阶段建立了材料科学的新概念,这些阶段是通过在多学科方法中测量材料的性质来衡量材料的性质,从而在密切相关的物质中的超导性和磁性下降。我们列出了该项目获得的显着结果1。在单个CUO_2层中发现抗磁磁性(AFM)和超导性(SC)的统一阶段的发现使我们发现它们的真实相图,包括AF量子临界点,这与先前相信的相位图明显不同,这与载量掺杂水平的功能是高t_c copper-oxpper-oxpper-oxpper-Oxond.2的功能。在先前的研究结果中揭示了重毛膜(HF)化合物CERHIN_5的温度(T) - 压力(T) - 压力(P)相图。3。在量子一阶相变围绕UGE_2中鉴定出铁磁性和SC的共存阶段。4。发现了新型压力诱导的超导体Cenige_3和CE_2NI_3GE_5。5。在没有反转对称的HF化合物的压力诱导的SC(例如UIR和CEIRSI_3)的发现中,发现了新的和独特的超导状态的可能性。6。 Miyake等。 al。能够解释HF化合物的高-T_C SC的外观,并突然变化。通过临界价数量波动触发的新型各向异性SC机制,CE的价值数量。这些关于密切相关物质的新阶段的了不起的发现将使我们对HF化合物中非常常规SC的机制有一致的理解,这是他们的长期问题。

项目成果

期刊论文数量(303)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Uniform Mixing of High-T_c Superconductivity and Antiferromagnetism on a Single CuO_2 Plane of a Hg-Based Five-Layerd Cuprate
Hg基五层铜氧化物单CuO_2平面上高温超导性和反铁磁性的均匀混合
  • DOI:
  • 发表时间:
    2006
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Nakajima;H.;et. al.;H.Mukuda et al.
  • 通讯作者:
    H.Mukuda et al.
The Phase Diagram of Aniferromagnetism and Superconductivity in CeRhIn_5 : A Study of^<115>In-NQR under Pressure
CeRhIn_5中反铁磁性和超导性的相图:压力下^<115>In-NQR的研究
  • DOI:
  • 发表时间:
    2005
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Miyake;A.;et al.;S.Kawasaki et al.
  • 通讯作者:
    S.Kawasaki et al.
Two Kinds of Cylindrical Fermi Surface Determined by de Haas-van Alphen Experiments in NpCoGa_5
NpCoGa_5中德哈斯-范阿尔芬实验确定的两种圆柱费米面
  • DOI:
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Aoyagi;K.;et al.;Oishi K;D.Aoki et al.
  • 通讯作者:
    D.Aoki et al.
High-pressure effect on the electronic state in CeNiGe_3 : pressure-induced superconductivity
高压对 CeNiGe_3 电子态的影响:压力诱导超导
  • DOI:
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    0
  • 作者:
    H.Ohbayashi;Y.Takeda;K.Yamaguchi;M.Nakashima et al.
  • 通讯作者:
    M.Nakashima et al.
Perpendicular magnetization of L1_0-ordered FePt in the thinnest limit
L1_0有序FePt在最薄极限下的垂直磁化强度
  • DOI:
  • 发表时间:
    2007
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Ban;N.;Matsumura;Y;Sakai;H.;Takanezawa;Y.;Sasaki;M.;Arai;H.;and Inagaki;N.;武内 道一;K. Takayama;S.Imada et al.
  • 通讯作者:
    S.Imada et al.
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KITAOKA Yoshio其他文献

KITAOKA Yoshio的其他文献

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{{ truncateString('KITAOKA Yoshio', 18)}}的其他基金

New Quantum Phases of Matter in Multidimensional Environments
多维环境中物质的新量子相
  • 批准号:
    20001004
  • 财政年份:
    2008
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Grant-in-Aid for Specially Promoted Research
Dynamics of Self-Induced Quantum Vortices in Ferromagnetic Superconductor RuSr2YCU2O8
铁磁超导体 RuSr2YCU2O8 中自感量子涡动力学
  • 批准号:
    13440112
  • 财政年份:
    2001
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Study of Strongly Correlated Condensed-Matter Systems under Multiple Extreme Conditions
多种极端条件下强相关凝聚态系统研究
  • 批准号:
    10044083
  • 财政年份:
    1998
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B).
NMR Studies of Quantum Choherence and Magnetism in Spin-Ladder Systems
自旋梯系统中量子相干性和磁性的核磁共振研究
  • 批准号:
    09440138
  • 财政年份:
    1997
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
NMR Studies of S=1/2 Quantum Spin Systems with either Ladder or Triangular Lattice
具有阶梯或三角形晶格的 S=1/2 量子自旋系统的核磁共振研究
  • 批准号:
    07454081
  • 财政年份:
    1995
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
NMR Study of Magnetic Property in Heavy Fermion Superconductor CeCu_2Si_2
重费米子超导体CeCu_2Si_2磁性能的NMR研究
  • 批准号:
    03452041
  • 财政年份:
    1991
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)

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Collaborative Research: Worm Algorithm and Diagrammatic Monte Carlo for Strongly Correlated Condensed Matter Systems
合作研究:强相关凝聚态系统的蠕虫算法和图解蒙特卡罗
  • 批准号:
    2335904
  • 财政年份:
    2024
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Continuing Grant
Collaborative Research: Worm Algorithm and Diagrammatic Monte Carlo for Strongly Correlated Condensed Matter Systems
合作研究:强相关凝聚态系统的蠕虫算法和图解蒙特卡罗
  • 批准号:
    2335905
  • 财政年份:
    2024
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Continuing Grant
Universal Quantum Dynamics of Impurity Particles in Strongly Correlated Matter
强相关物质中杂质粒子的通用量子动力学
  • 批准号:
    23H01174
  • 财政年份:
    2023
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Topological and critical states of matter in strongly correlated electronic systems
强相关电子系统中物质的拓扑和临界状态
  • 批准号:
    RGPIN-2019-04321
  • 财政年份:
    2022
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Discovery Grants Program - Individual
Strongly-Correlated Hybrid Light-Matter Systems
强相关混合光物质系统
  • 批准号:
    2037158
  • 财政年份:
    2021
  • 资助金额:
    $ 376.31万
  • 项目类别:
    Continuing Grant
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