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2008 Fiscal Year Final Research Report

Microscopic Research for Magnetism and Superconductivity of Plutonium Metal and Plutonium Compounds

Research Project

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Project/Area Number 18540361
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionTokyo Metropolitan University (2007-2008)
Japan Atomic Energy Agency (2006)

Principal Investigator

HOTTA Takashi  Tokyo Metropolitan University, 大学院・理工学研究科, 准教授 (00262163)

Project Period (FY) 2006 – 2008
Keywords強相関系 / 磁性 / 超伝導 / 低温物理
Research Abstract

Pu金属のd相(面心立方晶)では、物性を担う5f電子は局在的と考えられてきたが、近年の実験によると、5f電子の磁気モーメントは非常に小さく、局在性に疑問が投げかけられていた。本研究では、Puイオンを面心立方格子に配置した理論模型を数値的に解析し、5f電子の磁気モーメントではなく、5f軌道が整列している可能性を指摘した。また、圧力による誘起磁気モーメントを予言しており、実験による検証が可能である

  • Research Products

    (47 results)

All 2009 2008 2007 2006 Other

All Journal Article (31 results) (of which Peer Reviewed: 30 results) Presentation (14 results) Book (1 results) Remarks (1 results)

  • [Journal Article] Magnetically Robust Multipole Kondo Effect2009

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Conf. Ser. 150

      Pages: 042061-1-4

    • Peer Reviewed
  • [Journal Article] Effect of Rattling Phonons on Sommerfeld Constant2008

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 77

      Pages: 103711-1-4

    • Peer Reviewed
  • [Journal Article] Field-Induced Multipole States of Sm-Based Filled Skutterudites2008

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 77

      Pages: 074716-1-9

    • Peer Reviewed
  • [Journal Article] Multipole as f-Electron Spin-Charge Density in Filled Skutterudites2008

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 77 Suppl. A

      Pages: 96-101

    • Peer Reviewed
  • [Journal Article] Antiferro-quadrupole state of orbital-degenerate Kondo lattice model with f^2 configuration2008

    • Author(s)
      Hiroaki Onishi and Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 77 Suppl. A

      Pages: 199-201

    • Peer Reviewed
  • [Journal Article] Exotic Kondo effects in electron-phonon systems2008

    • Author(s)
      Takashi Hotta
    • Journal Title

      Physica B403

      Pages: 1371-1372

    • Peer Reviewed
  • [Journal Article] Multipole State of Heavy Lanthanide Filled Skutterudites2007

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 76

      Pages: 083705-1-5

    • Peer Reviewed
  • [Journal Article] Enhanced Kondo Effect in an Electron System Dynamically Coupled with Local OpticalPhonon2007

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 76

      Pages: 084702-1-8

    • Peer Reviewed
  • [Journal Article] Multipole Susceptibility of Multiorbital Anderson Model Coupled with Jahn-TellerPhonons2007

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 76

      Pages: 034713-1-11

    • Peer Reviewed
  • [Journal Article] Kondo Effect in an Electron System with Dynamical Jahn-Teller Impurity2007

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 76

      Pages: 023705-1-5

    • Peer Reviewed
  • [Journal Article] Spin-orbital gap of multiorbital antiferromagnet with geometrical frustration2007

    • Author(s)
      Hiroaki Onishi and Takashi Hotta
    • Journal Title

      Phys. Rev. B75

      Pages: 014410-1-8

    • Peer Reviewed
  • [Journal Article] Multipoles in δ-Pu2007

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. of Alloys Compd 444-445

      Pages: 162-167

    • Peer Reviewed
  • [Journal Article] Microscopic Aspects of Multipole Propertiesof Filled Skutterudites2007

    • Author(s)
      Takashi Hotta
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 1691-1697

    • Peer Reviewed
  • [Journal Article] Relativistic Band-Structure Calculations for Electronic Properties of Actinide Dioxides2007

    • Author(s)
      Takahiro Maehira and Takashi Hotta
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 754-756

    • Peer Reviewed
  • [Journal Article] Effect of Hund's Rule Coupling on SU(4) Spin-Orbital System2007

    • Author(s)
      Hiroaki Onishi and Takashi Hotta
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 790-792

    • Peer Reviewed
  • [Journal Article] Superconductivity in f-Electron Systems Controlled by Crystalline Electric Fields2007

    • Author(s)
      Katsunori Kubo and Takashi Hotta
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 572-574

    • Peer Reviewed
  • [Journal Article] Quasi-Kondo Phenomenon due to Dynamical Jahn-Teller Effect2006

    • Author(s)
      Takashi Hotta
    • Journal Title

      Phys. Rev. Lett. 96

      Pages: 197201-1-4

    • Peer Reviewed
  • [Journal Article] Effective Crystalline Electric Field Potential in a j-j Coupling Scheme2006

    • Author(s)
      Takashi Hotta and Hisatomo Harima
    • Journal Title

      J. Phys. Soc. Jpn. 75

      Pages: 124711-1-15

    • Peer Reviewed
  • [Journal Article] Orbital-Controlled Superconductivity f-Electron Systems2006

    • Author(s)
      Katsunori Kubo and Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 75

      Pages: 083702-1-5

    • Peer Reviewed
  • [Journal Article] Spin, charge, and orbital correlations in the one-dimensional t_<2g>-orbital Hubbard model2006

    • Author(s)
      Jose C. Xavier, Hiroaki Onishi, Takashi Hotta, and Elbio Dagotto
    • Journal Title

      Phys. Rev. B73

      Pages: 014405-1-9

    • Peer Reviewed
  • [Journal Article] Electronic Properties of Transuranium Compounds with HoCoGa_5-Type TetragonalCrystal Structure2006

    • Author(s)
      Takahiro Maehira, Takashi Hotta, Kazuo Ueda, and Akira Hasegawa
    • Journal Title

      New J. Phys. 8

      Pages: 24-1-20

  • [Journal Article] Magnetic Susceptibility of Multiorbital Systems2006

    • Author(s)
      Katsunori Kubo and Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 75

      Pages: 013702-1-4

    • Peer Reviewed
  • [Journal Article] Orbital ordering phenomena in d- and f-electron systems2006

    • Author(s)
      Takashi Hotta
    • Journal Title

      Reports on Progress in Physics 69

      Pages: 2061-2155

    • Peer Reviewed
  • [Journal Article] Relativistic Band-Structure Calculation for PrCoIn_5 : A Theoretical Approach to Pr-BasedCompound from Itinerant Picture2006

    • Author(s)
      Takahiro Maehira and Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 75 Suppl.

      Pages: 262-265

    • Peer Reviewed
  • [Journal Article] Multipole Ordering and Fluctuations in f-Electron Systems2006

    • Author(s)
      Katsunori Kubo and Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 75 Suppl.

      Pages: 232-237

    • Peer Reviewed
  • [Journal Article] Multipole Correlations in Low-Dimensional f-Electron Systems2006

    • Author(s)
      Hiroaki Onishi and Takashi Hotta
    • Journal Title

      J. Phys. Soc. Jpn. 75 Suppl.

      Pages: 266-269

    • Peer Reviewed
  • [Journal Article] Stripe Charge Ordering in Triangular-Lattice Systems2006

    • Author(s)
      Hiroaki Onishi and Takashi Hotta
    • Journal Title

      AIP Conference Proceedings 850

      Pages: 1075-1076

    • Peer Reviewed
  • [Journal Article] Spin-charge-orbital ordering in triangle-based lattices2006

    • Author(s)
      Hiroaki Onishi and Takashi Hotta
    • Journal Title

      Physica B378-380

      Pages: 589-591

    • Peer Reviewed
  • [Journal Article] Electronic structure and the Fermi surface of ThRhIn_5 in comparison with Uranium and Transuranium Compounds2006

    • Author(s)
      Takahiro Maehira and Takashi Hotta
    • Journal Title

      Physica B378-380

      Pages: 1027-1028

    • Peer Reviewed
  • [Journal Article] Multipole ordering in f-electron systems2006

    • Author(s)
      Katsunori Kubo and Takashi Hotta
    • Journal Title

      Physica B378-380

      Pages: 1081-1082

    • Peer Reviewed
  • [Journal Article] Magnetic and orbital fluctuations in filled skutterudites2006

    • Author(s)
      Takashi Hotta
    • Journal Title

      Physica B378-380

      Pages: 51-53

    • Peer Reviewed
  • [Presentation] 軌道秩序相近傍の超伝導2009

    • Author(s)
      堀田貴嗣
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教学院池袋キャンパス
    • Year and Date
      2009-03-27
  • [Presentation] 非調和性局所フォノンによる電子比熱係数の増強2008

    • Author(s)
      堀田貴嗣
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-22
  • [Presentation] Magnetically Robust Multipole Kondo Effect2008

    • Author(s)
      Takashi Hotta
    • Organizer
      25^<th> International Conference on Low Temperature Physics
    • Place of Presentation
      Amsterdam, Holland
    • Year and Date
      2008-08-08
  • [Presentation] Sm系充填スクッテルダイト化合物の多極子状態2008

    • Author(s)
      堀田貴嗣
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      近畿大学本部キャンパス
    • Year and Date
      2008-03-23
  • [Presentation] Multipoles in f-electron systems2007

    • Author(s)
      Takashi Hotta
    • Organizer
      Heavy Fermion Frontier workshop in honor of Joe D. Thompson's 60th birthday
    • Place of Presentation
      Bishops Lodge in Santa Fe, NW, U.S.A.
    • Year and Date
      2007-11-13
  • [Presentation] Multipole expansion of f-electron spin-charge density in filled skutterudites2007

    • Author(s)
      Takashi Hotta
    • Organizer
      International Conference on "New Quantum Phenomena in Skutterudite andRelated Systems"
    • Place of Presentation
      Kobe, Japan
    • Year and Date
      2007-09-28
  • [Presentation] 重希土類充填スクッテルダイト化合物の多極子状態2007

    • Author(s)
      堀田貴嗣
    • Organizer
      日本物理学会第62回年次大会
    • Place of Presentation
      北海道大学札幌キャンパス
    • Year and Date
      2007-09-23
  • [Presentation] Multipoles in f-electron systems2007

    • Author(s)
      Takashi Hotta
    • Organizer
      NSFC-JSPS Joint Conference on Novel Quantum Phenomena in Strongly CorrelatedElectronic Systems, Systems, Renmin University of China
    • Place of Presentation
      Beijin, P. R. China
    • Year and Date
      2007-06-27
  • [Presentation] Exotic Kondo effects in electron-phonon systems2007

    • Author(s)
      Takashi Hotta
    • Organizer
      International Symposium on Strongly Correlated Electron Systems
    • Place of Presentation
      Houston, U. S. A.
    • Year and Date
      2007-05-14
  • [Presentation] 電子フォノン系の近藤効果2007

    • Author(s)
      堀田貴嗣
    • Organizer
      日本物理学会2007年春季大会
    • Place of Presentation
      鹿児島大学郡元キャンパス
    • Year and Date
      2007-03-19
  • [Presentation] Novel magnetism in actinide compounds with active orbital degrees of freedom2007

    • Author(s)
      Takashi Hotta
    • Organizer
      The 2nd Indo-Japan Seminar "Novel MagneticMaterials and their Electronic Structures"
    • Place of Presentation
      Tokyo
    • Year and Date
      2007-02-28
  • [Presentation] 動的ヤーンテラー近藤効果2006

    • Author(s)
      堀田貴嗣
    • Organizer
      日本物理学会2006年秋季大会
    • Place of Presentation
      千葉大学
    • Year and Date
      2006-09-23
  • [Presentation] Microscopic Aspects of Multipole Properties of Filled Skutterudites2006

    • Author(s)
      Takashi Hotta
    • Organizer
      International Conference on Magnetism 2006 (ICM2006)
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2006-08-24
  • [Presentation] Microscopic theory of magnetism and superconductivity of Pu and PuMGa5 on the basisof a j-j coupling scheme2006

    • Author(s)
      Takashi Hotta
    • Organizer
      Plutonium Futures-The Science 2006, Asilomar Conference Grounds, Pacific Grove
    • Place of Presentation
      U.S.A.
    • Year and Date
      2006-07-12
  • [Book] Progress in Ferromagnetism Research (356 pages), ed. V. N. Murray, p.19-38,Nova Science Inc., New York2006

    • Author(s)
      Takashi Hotta
    • Publisher
      Ferromagnetism in undoped manganites
  • [Remarks]

    • URL

      http://ccmp1.phys.metro-u.ac.jp/ccmp/member/hotta/

URL: 

Published: 2010-06-10   Modified: 2016-04-21  

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