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OTA Yukihiro  太田 幸宏

ORCIDConnect your ORCID iD *help
Researcher Number 60386597
Other IDs
Affiliation (based on the past Project Information) *help 2017: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究員
2015 – 2016: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 任期付研究員
2006: Waseda University, Department of Physics, Research Associate
Review Section/Research Field
Except Principal Investigator
Nuclear engineering / High performance computing / Science and Engineering
Keywords
Except Principal Investigator
運動インダクタンス変化法 / 尤度判定回路 / MBE成膜装置 / 4K動作 / 運動インダクタンス / イメージング / ラジオグラフィー / 超伝導検出器 / 中性子検出器 / 位相すべり … More / モノリシックチップ / 単一磁束量子回路 / 原子力エネルギー / 中性子検出 / 単一磁束量子SFQ / Nb集積回路 / マイクロ・ナノデバイス / 中性子イメージング / 超伝導材料・素子 / 超伝導中性子検出器 / ボロン10 / Nb超伝導体 / ギンツブルク・ランダウ理論 / 遅延時間型超伝導検出器 / 単一磁束量子素子 / MgB2超伝導体 / ラジオグラフィ / 中性子 / エクサスケール計算機 / GPU / 固有値 / 量子問題 / 高速化 / 並列計算 / 量子多体モデル / 次世代計算機 / 量子計算 / 大規模並列計算 / 固有値計算 / アクセラレータ / 高性能計算 / Inequivalent Vacua / Quantum Field Theory in Finite Space / Bose-Einstein Condensation / Entanglement Distillation / Zeno-like Measurements / Quantum Computer of Kane's model / Quantum-Classical Correspondence / Stochastic State Diffusion / メゾスコピック系 / 物性基礎論 / 散逸系カオス / 重イオン衝突 / 量子コヒーレンス / 量子Zeno効果 / HBT効果 / 高エネルギー重イオン衝突 / ポース・アインシュタイン凝縮 / 短時間スケーリング則 / 確率過程量子化法 / 量子開放系 / 量子コンピュータ / エンタングルメント / 量子ゼノン効果 / ボース・アインシュタイン凝縮 / 量子力学基礎論 / 素粒子論 / 非同値真空 / 有限空間系の場の量子論 / Bose-Einstein凝縮 / エンタングルメント抽出 / ゼノン型観測による状態純化 / 半導体量子コンピュータ / 量子・古典対応 / 確率状態拡散法 Less
  • Research Projects

    (3 results)
  • Research Products

    (35 results)
  • Co-Researchers

    (32 People)
  •  High perfoemance computing for quamtum many-body problem using accelerators

    • Principal Investigator
      Yamada Susumu
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      High performance computing
    • Research Institution
      Japan Atomic Energy Agency
  •  All Solid State Superconducting System for Neutron Radiography with One Million Pixels and Submicron Resolution

    • Principal Investigator
      Ishida Takekazu
    • Project Period (FY)
      2011 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Research Field
      Nuclear engineering
    • Research Institution
      Osaka Prefecture University
  •  Research on Quantum Field Theory for Finite Space-Time Systems and Dynamics of Quantum Systems

    • Principal Investigator
      OHBA Ichiro
    • Project Period (FY)
      2001 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Waseda University

All 2018 2017 2016 2015 2014 2013 2012 2011 2006 2005 2004 Other

All Journal Article Presentation

  • [Journal Article] Time-reversal symmetry breaking and gapped surface states due to spontaneous emergence of new order in d-wave nanoislands2017

    • Author(s)
      Nagai Yuki、Ota Yukihiro、Tanaka K.
    • Journal Title

      Physical Review B

      Volume: 96 Issue: 6

    • DOI

      10.1103/physrevb.96.060503

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-16H00995, KAKENHI-PROJECT-15K00178
  • [Journal Article] Topological s-wave pairing superconductivity with spatial inhomogeneity: Mid-gap-state appearance and robustness of superconductivity2015

    • Author(s)
      Y. Nagai, Y. Ota, and M. Machida
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 84 Issue: 3 Pages: 034711-034711

    • DOI

      10.7566/jpsj.84.034711

    • NAID

      40020394995

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24340079, KAKENHI-PROJECT-26800197, KAKENHI-PROJECT-23226019
  • [Journal Article] Theory of low-energy behaviors in topological s-wave pairing superconductors2015

    • Author(s)
      Y. Ota, Y. Nagai and M. Machida
    • Journal Title

      Physica C

      Volume: 518 Pages: 5-9

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Journal Article] Inverse coherence effects in nuclear magnetic relaxation rates as a sign of topological superconductivity2015

    • Author(s)
      Y. Nagai, Y. Ota, and M. Machida
    • Journal Title

      Physical Review B

      Volume: 92 Issue: 18

    • DOI

      10.1103/physrevb.92.180502

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26800197, KAKENHI-PROJECT-23226019
  • [Journal Article] Ferromagnetism in multi-orbital Fermi gas loaded on a one-dimensional optical lattice2014

    • Author(s)
      K. Kobayashi, M. Okumura, Y. Ota, S. Yamada, and M. Machida
    • Journal Title

      JPS Conference Proceedings

      Volume: 2014

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Journal Article] Determining eigenvalues of a density matrix with minimal information in a single experimental setting2014

    • Author(s)
      T. Tanaka, Y. Ota, M. Kanazawa, G. Kimura, H. Nakazato, F. Nori
    • Journal Title

      Phys. Rev. A

      Volume: 89 Issue: 1

    • DOI

      10.1103/physreva.89.012117

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PLANNED-21102002, KAKENHI-PROJECT-22224007, KAKENHI-PROJECT-22540292, KAKENHI-PROJECT-22740079, KAKENHI-PROJECT-23226019
  • [Journal Article] Quantum phases in p-orbital degenerated attractive 1D fermionic optical lattices2014

    • Author(s)
      K Kobayashi, Y Ota, M Okumura, S Yamada, M Machida
    • Journal Title

      Physical Review A

      Volume: Vol.89 Issue: 2 Pages: 23625-23625

    • DOI

      10.1103/physreva.89.023625

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340022, KAKENHI-PROJECT-23500056, KAKENHI-PROJECT-24340079, KAKENHI-PROJECT-23226019
  • [Journal Article] Theory of macroscopic quantum tunneling with Josephson-Leggett collective excitations in multiband superconducting Josephson junctions2014

    • Author(s)
      Hidehiro Asai, Yukihiro Ota, Shiro Kawabata, Masahiko Machida, and Franco Nori
    • Journal Title

      Physical Review B

      Volume: 89 Issue: 22

    • DOI

      10.1103/physrevb.89.224507

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-12J10788, KAKENHI-PROJECT-22224007, KAKENHI-PROJECT-24510146, KAKENHI-PROJECT-26790062, KAKENHI-PROJECT-23226019
  • [Journal Article] Temporal steering inequality2014

    • Author(s)
      Y.-N. Chen, C.-M. Li, N. Lambert, S.-L. Chen, Y. Ota, G.-Y. Chen, F. Nori
    • Journal Title

      Phys. Rev. A

      Volume: 89 Issue: 3

    • DOI

      10.1103/physreva.89.032112

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PLANNED-21102002, KAKENHI-PROJECT-22224007, KAKENHI-PROJECT-23226019
  • [Journal Article] Impurity effects in a two-dimensional topological superconductor: A link of Tc-robustness with a topological number2014

    • Author(s)
      Y. Nagai, Y. Ota, and M. Machida
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 83 Issue: 9 Pages: 094722-094722

    • DOI

      10.7566/jpsj.83.094722

    • NAID

      40020194834

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24340079, KAKENHI-PROJECT-26800197, KAKENHI-PROJECT-23226019
  • [Journal Article] Nonmagnetic impurity effects in a three-dimensional topological superconductor: From p- to s-wave behaviors2014

    • Author(s)
      Y. Nagai, Y. Ota, and M. Machida
    • Journal Title

      Phys. Rev. B

      Volume: 89 Issue: 21

    • DOI

      10.1103/physrevb.89.214506

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24340079, KAKENHI-PROJECT-26800197, KAKENHI-PROJECT-23226019
  • [Journal Article] Massless collective excitations in frustrated multi-band superconductors2013

    • Author(s)
      K. Kobayashi, M. Machida, Y. Ota, F. Nori
    • Journal Title

      Phys. Rev. B

      Volume: 88 Issue: 22 Pages: 2245161-5

    • DOI

      10.1103/physrevb.88.224516

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PLANNED-21102002, KAKENHI-PROJECT-22224007, KAKENHI-PROJECT-22340022, KAKENHI-PROJECT-24340079, KAKENHI-PROJECT-23226019
  • [Journal Article] Analysis of collective excitation for multi band superconductor : Frustrated spin model approach2013

    • Author(s)
      K Kobayashi, Y Ota, M Machida
    • Journal Title

      Physica C

      Volume: Vol.494 Pages: 13-16

    • DOI

      10.1016/j.physc.2013.04.057

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340022, KAKENHI-PROJECT-24340079, KAKENHI-PROJECT-23226019
  • [Journal Article] Full Numerical Simulations of Dynamical Response in Superconducting Single-Photon Detectors2013

    • Author(s)
      Y. Ota, K. Kobayashi, M. Machida, T. Koyama, F. Nori
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 23 Issue: 3 Pages: 2201105-2201105

    • DOI

      10.1109/tasc.2013.2248871

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-22224007, KAKENHI-PROJECT-23226019
  • [Journal Article] Spectral-density polynomial expansion for two-particle Green's function in BdG framework2012

    • Author(s)
      Y. Nagai, Y. Ota, and M. Machida
    • Journal Title

      Physics Procedia

      Volume: 27 Pages: 72-72

    • DOI

      10.1016/j.phpro.2012.03.413

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Journal Article] Torque Theory of Anisotropic Superconductors with No Phenomenological Parameter in determining Vortex Core Size2011

    • Author(s)
      D.Kubota, N.Hayashi, T.Ishida
    • Journal Title

      Phys.Rev.B

      Volume: 83 Issue: 18

    • DOI

      10.1103/physrevb.83.184518

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Journal Article] Magnetic torque analysis including vortex core contributions for Ba(Fe,Co))_2As_2_single crystal2011

    • Author(s)
      D.Kubota, K.Nanba, T.Wolf, C.Meingast, T.Ishida
    • Journal Title

      Physica C

      Volume: 471 Issue: 21-22 Pages: 781-783

    • DOI

      10.1016/j.physc.2011.05.053

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Journal Article] Torque formula as sum in reciprocal lattice for anisotropic superconductors2011

    • Author(s)
      D.Kubota, N.Hayashi, T.Ishida
    • Journal Title

      Physica C

      Volume: 471 Issue: 21-22 Pages: 831-833

    • DOI

      10.1016/j.physc.2011.05.067

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Journal Article] Potential Errors in a Scheme of Universal Quantum Gates in Kane's Model2006

    • Author(s)
      Y. Ota, S. Mikami, I. Ohba
    • Journal Title

      Physical Review A73

      Pages: 32321-32321

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13135221
  • [Journal Article] Potential Errors in a Scheme of Universal Quantum Gates in Kane's Model2006

    • Author(s)
      太田幸宏, 三神秀嗣, 大場一郎
    • Journal Title

      Physical Review A 73

      Pages: 32321-32321

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13135221
  • [Journal Article] Crossover from Classical to Quantum Behavior of the Duffing Oscillator through a Pseudo-Lyapunov Exponent 雑誌2005

    • Author(s)
      太田幸宏, 大場一郎
    • Journal Title

      Physical Review E 71

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13135221
  • [Journal Article] Crossover from Classical to Quantum Behavior of the Duffing Oscillator through a Pseudo-Lyapunov Exponent2005

    • Author(s)
      Y.OTA, I.OHBA
    • Journal Title

      Physical Review E 71

    • Data Source
      KAKENHI-PROJECT-13135221
  • [Journal Article] Crossover from Classical to Quantum Behavior of the Duffing Oscillator through a Pseudo-Lyapunov Exponent2005

    • Author(s)
      Y. Ota, I. Ohba
    • Journal Title

      Physical Review E71

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13135221
  • [Journal Article] Crossover from Classical to Quantum Behaviour of Duffing Oscillator through Pseudo-Lyapunov Exponent2004

    • Author(s)
      Y.OTA, I.OHBA
    • Journal Title

      Journal of Modern Optics 51

      Pages: 1099-1100

    • Data Source
      KAKENHI-PROJECT-13135221
  • [Journal Article] Potential Errors in a Scheme of Universal Quantum Gates in Kane's Model

    • Author(s)
      Y.OTA, S.MIKAMI, I.OHBA
    • Journal Title

      Phys.Rev.A (Accepted for publication)

    • Data Source
      KAKENHI-PROJECT-13135221
  • [Presentation] Spontaneous time-reversal breaking and topologically protected gapless states in unconventional nano superconductors2018

    • Author(s)
      Y. Nagai, Y. Ota and K. Tanaka
    • Organizer
      TMS-EPiQS 2nd Alliance Workshop; Topological Magnets and Topological Superconductors
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00178
  • [Presentation] d 波超伝導ナノアイランドにおける時間反転対称性の破れた相と渦糸・反渦糸2017

    • Author(s)
      永井佑紀、太田幸宏、K. Tanaka
    • Organizer
      第 25 回渦糸物理国内会議
    • Data Source
      KAKENHI-PROJECT-15K00178
  • [Presentation] Time-reversal symmetry breaking phase, gapped surface states, and vortex-antivortex pairs in d-wave nanoislands2017

    • Author(s)
      Y. Nagai, Y. Ota and K. Tanaka
    • Organizer
      16th International Workshop on Vortex Matter in Superconductors (VORTEX 2017)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00178
  • [Presentation] Second-order phase transition due to disappearance of topological protection in d-wave superconducting nanoislands2017

    • Author(s)
      Y. Nagai, Y. Ota and K. Tanaka
    • Organizer
      International Conference on Topological Materials Science 2017 (TopoMat2017)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00178
  • [Presentation] 二次元トポロジカルs波超伝導体の秩序変数の安定性2016

    • Author(s)
      永井佑紀、 星野晋太郎、太田幸宏
    • Organizer
      2016年日本物理学会年次大会
    • Place of Presentation
      東北学院大学泉キャンパス(宮城県仙台市)
    • Year and Date
      2016-03-19
    • Data Source
      KAKENHI-PROJECT-15K00178
  • [Presentation] 1次元超伝導ワイヤーにおける運動インダクタンスと位相すべり2015

    • Author(s)
      太田幸宏, 町田昌彦
    • Organizer
      日本物理学会第70回年次大会
    • Place of Presentation
      早稲田大学(東京都)
    • Year and Date
      2015-03-22
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Presentation] Theory of phase-slip center effects on superconducting kinetic inductance2015

    • Author(s)
      M. Machida, Y. Ota
    • Organizer
      APS March Meeting 2015
    • Place of Presentation
      San Antonio (USA)
    • Year and Date
      2015-03-04
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Presentation] Sensitivity of a 3D fully-gapped superconductor for non-magnetic impurities2015

    • Author(s)
      Y. Ota, Y. Nagai, M. Machida
    • Organizer
      APS March Meeting 2015
    • Place of Presentation
      San Antonio (USA)
    • Year and Date
      2015-03-03
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Presentation] Multiband torque theory of anisotropic superconductors with no phenomenological parameter in determining vortex core size2012

    • Author(s)
      D.Kubota, N.Hayashi, T.Ishida
    • Organizer
      Pathbreaking Phase Sciences in Superconductivity 2012 (PPSS2012)
    • Place of Presentation
      大阪歴史博物館(大阪市)(invited)
    • Year and Date
      2012-01-14
    • Data Source
      KAKENHI-PROJECT-23226019
  • [Presentation] Torque theory of anisotropic superconductors with no phenomenological parameter2011

    • Author(s)
      T.Ishida, D.Kubota, N.Hayashi
    • Organizer
      第19回渦糸物理国内会議
    • Place of Presentation
      物質・材料研究機構(茨城県つくば市)
    • Year and Date
      2011-12-08
    • Data Source
      KAKENHI-PROJECT-23226019
  • 1.  MIKI Shigehito (30398424)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  WANG Zhen (70359090)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 3.  MAEZAWA Masaaki (40357976)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 4.  町田 昌彦 (60360434)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 11 results
  • 5.  OHBA Ichiro (10063695)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 7 results
  • 6.  NAKAZATO Hiromichi (00180266)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  YAMANAKA Yoshiya (10174757)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  YUASA Kazuya (90339721)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  MINE Makoto (80434306)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  Yamada Susumu (80360436)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  Ishida Takekazu (00159732)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 5 results
  • 12.  SHINOHARA Takenao (90425629)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  SHISHIDO Hiroaki (80549585)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  SOYAMA Kazuhiko (90343912)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  OIKAWA Kenichi (80391332)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  HARADA Masahide (50354733)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  MIYAJIMA Shigeyuki (50708055)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  TANAKA Masamitsu (10377864)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  KOBAYASHI Keita (00468860)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 20.  ARAI Masatoshi (30175955)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  KOJIMA Kenji (10301748)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  宮本 学 (80386622)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  奥村 雅彦 (20386600)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  中村 博樹 (40350483)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  森田 健司 (50339719)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  大橋 洋士 (60272134)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  永井 佑紀 (20587026)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 10 results
  • 28.  藤巻 朗 (20183931)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  日高 睦夫 (20500672)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  四谷 任 (70393296)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 31.  NORI Franco
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 4 results
  • 32.  奥 隆之
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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