• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2011 Fiscal Year Final Research Report

Study of heavy fermion behavior in transition metal compounds

Research Project

  • PDF
Project/Area Number 21740242
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionThe University of Tokyo

Principal Investigator

UDAGAWA Masafumi  東京大学, 大学院・工学系研究科, 助教 (80431790)

Project Period (FY) 2009 – 2011
Keywords強相関系 / 遷移金属化合物
Research Abstract

Transition metal oxides with large quasiparticle mass have two features in common : geometrical frustration and strong electron correlation. I have examined the interplay of these two effects, and have revealed that chirality-driven heavy-fermion behavior emerges in Kagome lattice Hubbard model, which is a minimal model with these two ingredients.

  • Research Products

    (28 results)

All 2012 2011 2010 2009

All Journal Article (13 results) (of which Peer Reviewed: 13 results) Presentation (15 results)

  • [Journal Article] Hidden Multiple-spin Interactions as an Origin of Spin Scalar Chiral Order in Frustrated Kondo Lattice Models2012

    • Author(s)
      Yutaka Akagi, Masafumi Udagawa and Yukitoshi Motome
    • Journal Title

      Physical Review Letters

      Volume: 108 Pages: 096401/1-4

    • DOI

      DOI:10.1103/PhysRevLett.108.096401

    • Peer Reviewed
  • [Journal Article] Non-Kondo mechanism for resistivity minimum in spin ice conduction systems2012

    • Author(s)
      Masafumi Udagawa, Hiroaki Ishizuka and Yukitoshi Motome
    • Journal Title

      Physical Review Letters

      Volume: 108 Pages: 066406/1-4

    • DOI

      DOI:10.1103/PhysRevLett.108.066406

    • Peer Reviewed
  • [Journal Article] Partial disorder in the periodic Anderson model on a triangular lattice2011

    • Author(s)
      Satoru Hayami, Masafumi Udagawa and Yukitoshi Motome
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 80 Pages: 073704/1-4

    • DOI

      DOI:10.1143/JPSJ.80.073704

    • Peer Reviewed
  • [Journal Article] Mean-field study ofcharge, spin, and orbital orderings in triangular-lattice compounds ANiO2(A=Na, Li, Ag)2011

    • Author(s)
      Hiroshi Uchigaito, Masafumi Udagawa and Yukitoshi Motome
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 80 Pages: 044705/1-10

    • DOI

      DOI:10.1143/JPSJ.80.044705

    • Peer Reviewed
  • [Journal Article] Metal-insulator transition caused by the coupling to localized charge-frustrated systems underice-rule local constraint2011

    • Author(s)
      Hiroaki Ishizuka, Masafumi Udagawa and Yukitoshi Motome
    • Journal Title

      Physical Review B

      Volume: 83 Pages: 125101/1-15

    • DOI

      DOI:10.1103/PhysRevB.83.125101

    • Peer Reviewed
  • [Journal Article] Variational Monte Carlo study of the Kondo necklace model with geometrical frustration2011

    • Author(s)
      Yukitoshi Motome, Kyouya Nakamikawa, Youhei Yamaji and Masafumi Udagawa
    • Journal Title

      Journal of Physical Society in Japan

      Volume: 80 Pages: SA133/1-3

    • DOI

      DOI:10.1143/JPSJS.80SA.SA133

    • Peer Reviewed
  • [Journal Article] Partial Kondo screening in frustrated Kondo lattice systems2011

    • Author(s)
      Yukitoshi Motome, Kyoya Nakamikawa, Youhei Yamaji and Masafumi Udagawa
    • Journal Title

      Physical Review Letters

      Volume: 105 Pages: 036403/1-4

    • DOI

      DOI:10.1103/PhysRevLett.105.036403

    • Peer Reviewed
  • [Journal Article] Interplay of spin-orbit interaction and electron correlation on the Van Vleck susceptibility in transition metal compounds2010

    • Author(s)
      Masafumi Udagawa and Youichi Yanase
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 79 Pages: 123601/1-4

    • DOI

      DOI:10.1143/JPSJ.79.123601

    • Peer Reviewed
  • [Journal Article] Quantum melting of charge ice and non-Fermi-liquid behavior : An exact solution for the extended Falicov-Kimball model in the ice-rule limit2010

    • Author(s)
      Masafumi Udagawa, Hiroaki Ishizuka and Yukitoshi Motome
    • Journal Title

      Physical Review Letters

      Volume: 104 Pages: 226405/1-4

    • DOI

      DOI:10.1103/PhysRevLett.104.226405

    • Peer Reviewed
  • [Journal Article] Chiraity-driven mass enhancement in the kagome Hubbard model2010

    • Author(s)
      Masafumi Udagawa and Yukitoshi Motome
    • Journal Title

      Physical Review Letters

      Volume: 104 Pages: 106409/1-4

    • DOI

      DOI:10.1103/PhysRevLett.104.106409

    • Peer Reviewed
  • [Journal Article] Chirality-spin separation in the Hubbard model on the kagome lattice2010

    • Author(s)
      Masafumi Udagawa and Yukitoshi Mo
    • Journal Title

      Journal of Physics : Coference Series

      Volume: 200 Pages: 012131/1-4

    • DOI

      DOI:10.1088/1742-6596/200/1/012214

    • Peer Reviewed
  • [Journal Article] Instability to partial Kondo-singlet state in the Kondo necklace model on frustrated lattices2009

    • Author(s)
      Yukitoshi Motome, Youhei Yamaji and Masafumi Udagawa
    • Journal Title

      Journal of Physics : Conference Series

      Volume: 145 Pages: 012068/1-4

    • DOI

      DOI:10.1088/1742-6596/145/1/012068

    • Peer Reviewed
  • [Journal Article] Cluster dynamical mean-field study of the Hubbard model on a 3D frustrated hyperkagome lattice2009

    • Author(s)
      Masafumi Udagawa and Yukitoshi Motome
    • Journal Title

      Journal of Physics : Conference Series

      Volume: 145 Pages: 012013/1-4

    • DOI

      DOI:10.1088/1742-6596/145/1/012013

    • Peer Reviewed
  • [Presentation] 伝導電子系における幾何学的フラストレーション.スピンアイス伝導系Pr2Ir2O7の抵抗極小現象2011

    • Author(s)
      宇田川将文
    • Organizer
      強相関電子系理論の最前線-若手によるオープン・イノベーション-
    • Place of Presentation
      紀伊勝浦
    • Year and Date
      20111221-23
  • [Presentation] 幾何学的フラストレーションを持つ伝導電子系の数値的研究2011

    • Author(s)
      宇田川将文
    • Organizer
      次世代ナノ情報合同研究会「計算物質科学の課題と展望」
    • Place of Presentation
      東京大学物性研究所
    • Year and Date
      20110105-07
  • [Presentation] フラストレート伝導電子系の励起状態:電荷アイス相のモノポール励起と分数電荷2010

    • Author(s)
      宇田川将文,石塚大晃,求幸年
    • Organizer
      2010年日本物理学会秋季大会
    • Place of Presentation
      大阪府大
    • Year and Date
      20100923-26
  • [Presentation] スピンアイスと結合した伝導電子系の磁気秩序と電子状態2010

    • Author(s)
      宇田川将文,石塚大晃,求幸年
    • Organizer
      2010年日本物理学会秋季大会
    • Place of Presentation
      大阪府大
    • Year and Date
      20100923-26
  • [Presentation] Geometrical frustration in itinerant electron systems2010

    • Author(s)
      Masafumi Udagawa
    • Organizer
      Japan-Switzerland Joint Workshop "New Trends in Theory of Correlated Materials"
    • Place of Presentation
      Chiba
    • Year and Date
      20100908-10
  • [Presentation] Quantum criticality in itinerant ice-rule systems2010

    • Author(s)
      Masafumi Udagawa
    • Organizer
      Highly Frustrated Magnetism 2010(HFM2010)
    • Place of Presentation
      Baltimore
    • Year and Date
      20100801-06
  • [Presentation] Quantum criticality in conduction electrons coupled to an ice-rule localized system2010

    • Author(s)
      Masafumi Udagawa
    • Organizer
      XXIV International Conference on Statistical Physics of the International Union for Pure and Applied Physics(STATPHYS24)
    • Place of Presentation
      Cairns
    • Year and Date
      20100719-23
  • [Presentation] フラストレート伝導電子系の特異な性質:"icerule"局所拘束条件との結合効果2010

    • Author(s)
      宇田川将文,石塚大晃,求幸年
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大
    • Year and Date
      20100320-23
  • [Presentation] Chirality-driven heavy-fermion behavior in kagome Hubbard model2010

    • Author(s)
      Masafumi Udagawa, Yukitoshi Motome
    • Organizer
      APS March meeting
    • Place of Presentation
      Portland
    • Year and Date
      20100315-19
  • [Presentation] フラストレート伝導電子系における"ice rule"局所拘束条件の効果2010

    • Author(s)
      宇田川将文、求幸年
    • Organizer
      特定領域研究「フラストレーションか.創る新しい物性」平成21年度領域成果報告会
    • Place of Presentation
      京都大学
    • Year and Date
      20100107-09
  • [Presentation] カゴメ格子上ハバードモデルにおけるカイラリティと重い電子状態形成2009

    • Author(s)
      宇田川将文、求幸年
    • Organizer
      2009年日本物理学会秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-28
  • [Presentation] 遷移金属化合物のVan Vleck常磁性に対する強相関効果2009

    • Author(s)
      宇田川将文、柳瀬陽一
    • Organizer
      2009年日本物理学会秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-28
  • [Presentation] Theoretical study of Van Vleck susceptibility in transition metal compounds2009

    • Author(s)
      Masafumi Udagawa
    • Organizer
      Japan UK meeting
    • Place of Presentation
      Kyoto University
    • Year and Date
      20090917-18
  • [Presentation] スピンカイライリティー自由度の解放による重い電子形成機構-カコメ格子上ハバートモテルの解析から-2009

    • Author(s)
      宇田川将文、求幸年
    • Organizer
      特定領域研究「フラストレーションか創る新しい物性」第4回トヒカルミーティンク「フラストレーションとカイラリティ」
    • Place of Presentation
      有馬
    • Year and Date
      20090703-04
  • [Presentation] Theoretical Study of Van-Vleck susceptibility in Sr2RuO42009

    • Author(s)
      宇田川将文、柳瀬陽一
    • Organizer
      科研費「特定領域」スーパークリーン物質で実現する新しい量子相の物理A03, A04合同研究会
    • Place of Presentation
      箱根
    • Year and Date
      20090419-21

URL: 

Published: 2013-07-31  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi