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2011 Fiscal Year Final Research Report

Path-integral Monte Carlo study of dynamic response in mesoscopic devices

Research Project

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Project/Area Number 21740220
Research Category

Grant-in-Aid for Young Scientists (B)

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

Principal Investigator

KATO Takeo  東京大学, 物性研究所, 准教授 (80332956)

Project Period (FY) 2009 – 2011
Keywords物性理論 / メゾスコピック系 / 量子ドット / 量子コンピュータ / 量子細線
Research Abstract

Dynamic transport properties in hybrid systems with one-dimensional electrons made by edge states of quantum Hall effect and a quantum dot have been studied theoretically. It has been shown that strong electron-electron interaction causes quantum phase transition and that conventional theory cannot be applied to the resultant state as electron coherence is completely suppressed there. Decoherence effect of electron-electron interaction on single electron injection has also been evaluated. Current correlations in Kondo dots and Onsager's relations extended to non-equilibrium states have also been studied.

  • Research Products

    (23 results)

All 2011 2010 2009 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (14 results) Remarks (1 results)

  • [Journal Article] Full counting statistics for SU(N) impurity Anderson model2011

    • Author(s)
      R. Sakano, R. Oguri, T. Kato, and S. Tarucha
    • Journal Title

      Phys. Rev. B

      Volume: 83 Pages: 241301(1-4)

    • DOI

      DOI:10.1103/PhysRevB.83.241301

    • Peer Reviewed
  • [Journal Article] Quantum phase transition of dynamical resistance in a mesoscopic capacitor2011

    • Author(s)
      Y. Hamamoto, T. Jonckheere, T. Kato, and T. Martin
    • Journal Title

      J. Phys.: Conf. Ser

      Volume: 334 Pages: 012033(1-5)

    • DOI

      DOI:10.1088/1742-6596/334/1/012033

    • Peer Reviewed
  • [Journal Article] Nonequilibrium Extension of Onsager Relations for Thermoelectric Effects in Mesoscopic Conductors2010

    • Author(s)
      E. Iyoda, Y. Utsumi and T. Kato
    • Journal Title

      J. Phys. Soc. Jpn

      Volume: 79 Pages: 045003(1-2)

    • DOI

      DOI:10.1143/JPSJ.79.045003

    • Peer Reviewed
  • [Journal Article] Dynamic response of a mesoscopic capacitor in the presence of strong electron interactions2010

    • Author(s)
      Y. Hamamoto, T. Jonckheere, T. Kato and T. Martin
    • Journal Title

      Phys. Rev. B

      Volume: 81 Pages: 153305(1-4)

    • DOI

      DOI:10.1103/PhysRevB.81.153305

    • Peer Reviewed
  • [Journal Article] Two-dimensional macroscopic quantum dynamics in YBCO Josephson junctions2009

    • Author(s)
      S. Kawabata, T. Kato, T. Lombardi and T. Bauch
    • Journal Title

      Int. J. Mod. Phys. B

      Volume: 23 Pages: 4329-4337

    • DOI

      DOI:10.1142/S0217979209063481

    • Peer Reviewed
  • [Journal Article] Theory of fractional vortex escape in a long Josephson junction2009

    • Author(s)
      K. Vogel, W. Schleich, T. Kato, D. Koelle, R. Kleinerand, E. Goldobin
    • Journal Title

      Phys. Rev. B

      Volume: 80 Pages: 134515(1-11)

    • DOI

      DOI:10.1103/PhysRevB.80.134515

    • Peer Reviewed
  • [Journal Article] Numerical study of the Coulomb blockade in an open quantum dot2009

    • Author(s)
      Y. Hamamoto and T. Kato
    • Journal Title

      J. Phys.: Conf. Ser

      Volume: 150 Pages: 022021(1-4)

    • DOI

      DOI:10.1088/1742-6596/150/2/022021

    • Peer Reviewed
  • [Journal Article] Theory of two-dimensional macroscopic quantum tunneling in a Josephson junction coupled with an L Ccircuit2009

    • Author(s)
      S. Kawabata, T. Kato and T. Bauch
    • Journal Title

      J. Phys.: Conf. Ser

      Volume: 150 Pages: 052105(1-4)

    • DOI

      DOI:10.1088/1742-6596/150/5/052105

    • Peer Reviewed
  • [Presentation] 多端子Anderson量子ドット系の完全係数統計とHunburyBrown-Twiss効果2011

    • Author(s)
      阪野塁,小栗章,加藤岳生,樽茶清悟
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-24
  • [Presentation] 固体発光素子からの単一光子の諸性質:位相緩和の効果2011

    • Author(s)
      伊與田英輝,加藤岳生,越野和樹
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-21
  • [Presentation] Breakdown of Universal Dynamical Resistance of a Mesoscopic Capacitor2011

    • Author(s)
      Yuji Hamamoto, Thibaut Jonckheere, TakeoKato, and Thierry Martin
    • Organizer
      26th International Conference on Low Temperature Physics(LT26)
    • Place of Presentation
      The Beijing International Convention Center, China
    • Year and Date
      2011-08-16
  • [Presentation] 単一光子源に対する純位相緩和の影響2011

    • Author(s)
      伊與田英輝,越野和樹,加藤岳生
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      新潟大学(震災のため講演は中止され、スライドのネット公開のみ行われた)
    • Year and Date
      2011-03-25
  • [Presentation] Fractional Statistics in the Hierarchical Fractional Quantum Hall States and Shot Noise at Finite Temperature2011

    • Author(s)
      Eiki Iyoda, Tatsuya Fujii, and Takeo Kato
    • Organizer
      International Symposium on Nanoscale Transport and Technology(ISNTT2011)
    • Place of Presentation
      NTT物性科学基礎研究所(厚木)
    • Year and Date
      2011-01-11
  • [Presentation] Abelian statistics in FQH states and shot noise at finite temperatures2010

    • Author(s)
      Eiki Iyoda, Tatsuya Fujii, and Takeo Kato
    • Organizer
      Opening Symposium of Quantum Science of Strongly Correlated Systems(Q2SC)
    • Place of Presentation
      理化学研究所
    • Year and Date
      2010-09-28
  • [Presentation] 分数量子ホール系のエッジ状態間トンネルにおける有効電荷の温度依存性(2)2010

    • Author(s)
      伊與田英輝,藤井達也,加藤岳生
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-25
  • [Presentation] Quantum phase transition of dynamical resistance in a mesoscopic capacitor2010

    • Author(s)
      Yuji Hamamoto and Takeo Kato
    • Organizer
      The 19th International Conference on the Application of High Magnetic Fields in Semicondoctor Physics and Nanotechnology(HMF-19)
    • Place of Presentation
      福岡国際会議場
    • Year and Date
      2010-08-03
  • [Presentation] 保存近似の逐次的改良によるアンダーソン模型の数値手法開発2010

    • Author(s)
      伊與田英輝,加藤岳生
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      2010-03-21
  • [Presentation] 分数量子ホール領域における量子ドット系の緩和抵抗2010

    • Author(s)
      濱本雄治, Thibaut Jonckheere,加藤岳生, Thierry Martin
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      2010-03-20
  • [Presentation] 分数量子ホール系のエッジ状態間トンネルにおける有効電荷の温度依存性:非平衡久保公式による解析2009

    • Author(s)
      伊與田英輝,藤井達也,加藤岳生
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      2009-09-27
  • [Presentation] 朝永-Luttinger液体におけるKosterlitz-Thouless転移の解析2009

    • Author(s)
      濱本雄治,加藤岳生
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      2009-09-25
  • [Presentation] カイラルp波超伝導リングにおける臨界電流2009

    • Author(s)
      阿部弘幸,加藤岳生
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-21
  • [Presentation] Monte Carlo study of resonant tunneling in a Tomonaga-Luttinger liquid2009

    • Author(s)
      Yuji Hamamoto and Takeo Kato
    • Organizer
      The 18th International Conference on Electronic Properties of Two-Dimensional Systems(EP2DS-18)
    • Place of Presentation
      神戸国際展示場
    • Year and Date
      2009-07-23
  • [Remarks]

    • URL

      http://kato.issp.u-tokyo.ac.jp/

URL: 

Published: 2013-07-31  

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