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2008 Fiscal Year Final Research Report

Proximity effect in unconventional superconductors

Research Project

  • PDF
Project/Area Number 19540352
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionHokkaido University

Principal Investigator

ASANO Yasuhiro  Hokkaido University, 大学院・工学研究科, 講師 (20271637)

Co-Investigator(Renkei-kenkyūsha) TANAKA Yukio  名古屋大学, 大学院・工学研究科, 准教授 (40212039)
Project Period (FY) 2007 – 2008
Keywords超伝導 / メゾスコピック物理
Research Abstract

超伝導の対称性は、金属で発現するスピン1重項対称性と、ルテニウム酸化物や重い電子系で有力とされるスピン3重項対称性に大別される。特にスピン3重項超伝導の物理はきわめて興味深く、注目を集めている。我々は、理論的な手法にのっとり超伝導近接効果を調べ、この2種類を明確に区別する新しい実験方法を提案した。

  • Research Products

    (14 results)

All 2008 2007

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (6 results)

  • [Journal Article] Anomalous Transport through the p-wave Superconducting Channel in the 3-K Phase of Sr_2RuO_42008

    • Author(s)
      H. Kambara, S. Kashiwaya, H. Yaguchi, Y. Asano, Y.Tanaka, Y. Maeno
    • Journal Title

      Physical Review Letters 101

      Pages: 267003(1)-(4)

    • Peer Reviewed
  • [Journal Article] Electron Transport of a Ferromagnet-Superconductor junction on Graphene2008

    • Author(s)
      Y. Asano, T. Yoshida, Y. Tanaka, and A.A. Golubov
    • Journal Title

      Physical Review B78

      Pages: 014514(1)

    • Peer Reviewed
  • [Journal Article] Quantum transport in a normal metal/odd-frequency superconductor junction2008

    • Author(s)
      J.Linder, T.Yokoyama, Y.Tanaka, Y. Asano and Asle Sudbo
    • Journal Title

      Physical Review B77

      Pages: 174505

    • Peer Reviewed
  • [Journal Article] Shape of Cooper pair in a Normal-metal/Superconductor Junction2008

    • Author(s)
      Y. Tanaka, Y. Asano, and A.A. Golubov
    • Journal Title

      Physical Review B77

      Pages: 220504R

    • Peer Reviewed
  • [Journal Article] Conductance Spectroscopy of Spin-triplet Supercouductors2007

    • Author(s)
      Y. Asano, Y. Tanaka, A.A. Golubov, and S. Kashiwaya
    • Journal Title

      Physical Review Letters 99

      Pages: 067005

    • Peer Reviewed
  • [Journal Article] Josephson Effect due to Odd Frequency Pairs in Diffusive Half-metals2007

    • Author(s)
      Y. Asano, Y. Tanaka, A.A. Golubov
    • Journal Title

      Physical Review Letters 98

      Pages: 107002

    • Peer Reviewed
  • [Journal Article] Odd-frequency Pairs and Josephson Current through a Strong Ferromagnet2007

    • Author(s)
      Y. Asano, Y. Sawa, Y. Tanaka, A.A. Golubov
    • Journal Title

      Physical Review B 76

      Pages: 224525

    • Peer Reviewed
  • [Journal Article] Theory of Tunneling Spectroscopy in the Larkin-Ovchinnikov State2007

    • Author(s)
      Y.Tanaka, Y.Asano, M.Ichioka, and S.Kashiwaya
    • Journal Title

      Physical Review Letters 98

      Pages: 077001

    • Peer Reviewed
  • [Presentation] Josephson Effect in Chiral p-wave Superconductors2008

    • Author(s)
      Y. Asano
    • Organizer
      Spin Helicity and Chirality in Superconductor and Semiconductor Nanostructures
    • Place of Presentation
      Karlsurhe university, Karlsurhe, Germany
    • Year and Date
      2008-07-15
  • [Presentation] Conductance Spectroscopy of Spin-triplet Superconductors2008

    • Author(s)
      Y.Asano
    • Organizer
      Probing superconductivity at the nanoscale
    • Place of Presentation
      Hesperia Lucentum Hotel, Alicante, Spain
    • Year and Date
      2008-06-05
  • [Presentation] Odd-frequency Pairing State in Superconductor/Ferromagnet Junctions2008

    • Author(s)
      Y. Asano
    • Organizer
      日本物理学会63回年次大会,領域3-6シンポジウム「強磁性体・超伝導体接合の物理の新展開」
    • Place of Presentation
      近畿大学東大阪市
    • Year and Date
      2008-03-23
  • [Presentation] Conductance Spectroscopy of Spin-triplet Superconductors2007

    • Author(s)
      浅野泰寛
    • Organizer
      超伝導が拓く物性科学の最前線-科研費4特定領域研究合同研究会--
    • Place of Presentation
      首都大学東京, 東京
    • Year and Date
      2007-12-14
  • [Presentation] Conductance Spectroscopy of Spin-triplet Superconductors2007

    • Author(s)
      Y. Asano
    • Organizer
      MTI International Argonne Fall Workshop on Nanophysics VII, 2007
    • Place of Presentation
      National Center for Theoretical Sciences, Hsinchu, Taiwan
    • Year and Date
      2007-12-06
  • [Presentation] Josephson Current through a Strong Ferromagnet and Odd-frequency Pairs2007

    • Author(s)
      Y.Asano
    • Organizer
      Physics of Nanoscale Superconducting Heterostructures
    • Place of Presentation
      Lorentz Center in Leiden Univ., Leiden, The Netherlands
    • Year and Date
      2007-07-04

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

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