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High-Tc Superconductor Quantum Computer using Intrinsic Josephson Junctions

Research Project

Project/Area Number 18310096
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Microdevices/Nanodevices
Research InstitutionTohoku University

Principal Investigator

SATO Shigeo  Tohoku University, 電気通信研究所, 准教授 (10282013)

Co-Investigator(Kenkyū-buntansha) NAKAJIMA Koji  東北大学, 電気通信研究所, 教授 (60125622)
HAYAKAWA Yoshihiro  東北大学, 電気通信研究所, 助教 (20250847)
ONOMI Takeshi  東北大学, 電気通信研究所, 助教 (70312676)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥17,050,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥1,950,000)
Fiscal Year 2008: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2007: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2006: ¥8,600,000 (Direct Cost: ¥8,600,000)
Keywords量子計算機 / 高温超伝導体 / ジョセフソン接合 / 断熱的量子計算 / Bi-2212 / 量子ビット / ジョセブソン接合 / 巨視的量子トンネル
Research Abstract

高温超伝導体のひとつであるBi-2212高温超伝導体の結晶中に自然に形成される固有ジョセフソン接合を用いた量子計算機実現に向けて研究を行い、マイクロ波照射による量子状態の共鳴励起に成功し、高温超伝導体量子ビットの有効性を示した。また合わせてデコヒーレンス許容型の量子計算アルゴリズムを提案し、その優位性を示した。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (32 results)

All 2009 2008 2007 2006 Other

All Journal Article (10 results) (of which Peer Reviewed: 3 results) Presentation (17 results) Book (2 results) Remarks (3 results)

  • [Journal Article] 高温超伝導体における巨視的量子トンネリング2009

    • Author(s)
      佐藤茂雄
    • Journal Title

      応用物理 78

      Pages: 2730-2730

    • NAID

      10023996443

    • Related Report
      2008 Final Research Report
  • [Journal Article] (招待記事)高温超伝導体における巨視的量子トンネリング2009

    • Author(s)
      佐藤茂雄
    • Journal Title

      応用物理(応用物理学会機関誌) 78

      Pages: 27-30

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Macroscopic Quantum Tunneling and Resonant Activation of Current Biased Intrinsic Josephson Junctions in Bi-22122007

    • Author(s)
      S. Sato, K. Inomata, M. Kinjo, N. Kitabatake, K. Nakajima, H. B. Wang, T. Hatano
    • Journal Title

      IEICE Trans. Electronics E90-C

      Pages: 599-604

    • NAID

      110007519591

    • Related Report
      2008 Final Research Report
  • [Journal Article] Study of macroscopic quantum tunnelling in Bi_2Sr_2CaCu_2O_<8+δ> intrinsic Josephson junctions2007

    • Author(s)
      K. Inomata, S. Sato, M. Kinjo, N. Kitabatake, H. B. Wang, T. Hatano, K. Nakajima
    • Journal Title

      Superconductor Science and Technology 20

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Study of macroscopic quantum tunnelling in Bi_2Sr_2CaCu_2O_<8+δ> intrinsic Josephson junctions2007

    • Author(s)
      K.Inomata, et al.
    • Journal Title

      SUPERCONDUCTOR SCIENCE AND TECHNOLOGY 20

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Macroscopic Quantum Tunneling and Resonant Activation of Current Biased Intrinsic Josephson Junctions in Bi-22122007

    • Author(s)
      S.Sato, et al.
    • Journal Title

      IEICE Trans. Electron. E90-C・3

      Pages: 599-603

    • NAID

      110007519591

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Quantum Neural Network Composed of Kane's Qubits, Jpn2006

    • Author(s)
      Y. Nakamiya, M. Kinjo, O. Takahashi, S. Sato, K. Nakajima
    • Journal Title

      Journal of Applied Physics 45

      Pages: 8030-8034

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hardware Implementation of an Inverse Function Delayed Neural Network Using Stochastic Logic, IEICE Trans2006

    • Author(s)
      H. Li, Hogge Li, Y. Hayakawa, S. Sato, K. Nakajima
    • Journal Title

      Inf.&Syst E89-D

      Pages: 2572-2578

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hardware Implementation of an Inverse Function Delayed Neural Network Using Stochastic Logic2006

    • Author(s)
      H.Li, et al.
    • Journal Title

      IEICE Trans. Inf.&Syst. E89-D・9

      Pages: 2572-2578

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Quantum Neural Network Composed of Kane's Qubits2006

    • Author(s)
      Y.Nakamiya, et al.
    • Journal Title

      Jpn. Journal of Applied Physics 45・10A

      Pages: 8030-8034

    • Related Report
      2006 Annual Research Report
  • [Presentation] ニューラルネットワークの手法を用いた断熱的量子計算における計算性能のハミルトニアン依存性について2009

    • Author(s)
      小野亜衣子、他
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      松山
    • Year and Date
      2009-03-20
    • Related Report
      2008 Annual Research Report
  • [Presentation] (チュートリアル講演)固有ジョセブソン接合の量子特性2009

    • Author(s)
      佐藤茂雄、他
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      松山
    • Year and Date
      2009-03-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] ニューラルネットワークの手法を用いた断熱的量子計算におけるエネルギー準位交差と計算性能の関係2008

    • Author(s)
      小野亜衣子、他
    • Organizer
      計測自動制御学会システム・情報部門学術講演会
    • Place of Presentation
      姫路
    • Year and Date
      2008-11-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] ニューラルネットワークの手法を用いた断熱的量子計算における計算能力に関する考察2008

    • Author(s)
      小野亜衣子、他
    • Organizer
      電子情報通信学会非線形問題研究会
    • Place of Presentation
      石巻
    • Year and Date
      2008-10-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] Study on the Performance of Neuromorphic Adiabatic Quantum Computation Algorithms2008

    • Author(s)
      A. Ono, S. Sato, M. Kinjo, K. Nakajima
    • Organizer
      2008 International Joint Conference on Neural Networks(IJCNN'08)
    • Place of Presentation
      Hong Kong
    • Year and Date
      2008-06-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Study on the Performance of Neuromorphic Adiabatic Quantum Computation Algorithms2008

    • Author(s)
      Aiko Ono, et.al.
    • Organizer
      2008 International Joint Conference on Neural Networks
    • Place of Presentation
      香港, 中国
    • Year and Date
      2008-06-05
    • Related Report
      2008 Annual Research Report
  • [Presentation] Si(111)における水素脱離エネルギーの検証2008

    • Author(s)
      北野武、他
    • Organizer
      第55回応用物理学関係連合講演会
    • Place of Presentation
      船橋市
    • Year and Date
      2008-03-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] 固有ジョセフソン接合におけるマルチフォトン励起とその多接合効果について2008

    • Author(s)
      北畠伸紘、他
    • Organizer
      電子情報通信学会第17回量子情報技術研究会
    • Place of Presentation
      船橋市
    • Year and Date
      2008-03-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] Resonant activation and multi-junction switching characteristics of Bi-2212 intrinsic Josephson junctions2008

    • Author(s)
      N. Kitabatake, K. Inomata, S. Sato, M. Kinjo, H. Wang, T. Hatano, K. Nakajima
    • Organizer
      2008 APS March Meeting
    • Place of Presentation
      New Orleans
    • Year and Date
      2008-03-08
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] ニューロ的手法を用いた断熱的量子計算アルゴリズムにおける正答率の検証2007

    • Author(s)
      小野亜衣子、他
    • Organizer
      電子情報通信学会第17回量子情報技術研究会
    • Place of Presentation
      岡山市
    • Year and Date
      2007-11-22
    • Related Report
      2007 Annual Research Report
  • [Presentation] Resonant Activation and Multiple Switching Characteristics of Bi-2212 Intrinsic Josephson Junctions2007

    • Author(s)
      N. Kitabatake, et. al.
    • Organizer
      8th European Conference on Applied Superconductivity
    • Place of Presentation
      Brussels
    • Year and Date
      2007-09-19
    • Related Report
      2007 Annual Research Report
  • [Presentation] Resonant Activation and Multiple Switching Characteristics of Bi-2212 Intrinsic Josephson Junctions2007

    • Author(s)
      N. Kitabatake, K. Inomata, M. Kinjo, S. Sato, K. Nakajima, H.B. Wang, T. Hatano
    • Organizer
      Abstracts of 8th European Conference on Applied Superconductivity
    • Place of Presentation
      Brussels
    • Year and Date
      2007-09-18
    • Related Report
      2008 Final Research Report
  • [Presentation] NH_4F溶液によるSi平坦化とSTM単原子リソグラフィー2007

    • Author(s)
      北野武、他
    • Organizer
      第68回応用物理学会学術講演会
    • Place of Presentation
      札幌市
    • Year and Date
      2007-09-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] ニューロ的手法を用いた断熱的量子計算アルゴリズムにおける残留エネルギーの変化2007

    • Author(s)
      小野亜衣子、他
    • Organizer
      電子情報通信学会第16回量子情報技術研究会
    • Place of Presentation
      厚木市
    • Year and Date
      2007-05-18
    • Related Report
      2007 Annual Research Report
  • [Presentation] Study of Macroscopic Quantum Tunneling in Bi_2Sr_2CaCu_2O_<8+δ> Intrinsic Josephson Junctions2006

    • Author(s)
      K. Inomata, S. Sato, M. Kinjo, Y. Nakamiya, N .Kitabatake, H. Wang, T. Hatano, K. Nakajima
    • Organizer
      5th Int. Symp. Intrinsic Josephson Effect in High Tc Superconductors(Plasma 2006)
    • Place of Presentation
      London
    • Year and Date
      2006-07-18
    • Related Report
      2008 Final Research Report
  • [Presentation] A Study on Learning with a Quantum Neural Network2006

    • Author(s)
      M. Kinjo, S. Sato, K. Nakajima
    • Organizer
      2006 International Joint Conference on Neural Networks(IJCNN'06)
    • Place of Presentation
      Vancouver
    • Year and Date
      2006-07-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Observation of Macroscopic Quantum Tunneling in Bi_2Sr_2CaCu_2O_<8+δ> Intrinsic Josephson Junctions2006

    • Author(s)
      K. Inomata, S. Sato, M. Kinjo, Y. Nakamiya, N. Kitabatake, H. Wang, T. Hatano, K. Nakajima
    • Organizer
      The 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors(M2S-HTSC-VIII)
    • Place of Presentation
      Dresden
    • Year and Date
      2006-07-13
    • Related Report
      2008 Final Research Report
  • [Book] Complex-Valued Neural Networks : Utilizing High-Dimensional Parameters2009

    • Author(s)
      S. Sato, M. Kinjo
    • Publisher
      Information Science Reference
    • Related Report
      2008 Final Research Report
  • [Book] Complex-Valued Neural Networks : Utilizing High-Dimensional Parameters2009

    • Author(s)
      Shigeo Sato, et.al.
    • Total Pages
      504
    • Publisher
      Information Science Reference
    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.nakajima.riec.tohoku.ac.jp

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.nakajima.riec.tohoku.ac.jp

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.nakajima.riec.tohoku.ac.jp

    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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