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Development of theory and technology for quantum error correction based on quantum control theory

Research Project

Project/Area Number 20H02168
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 21040:Control and system engineering-related
Research InstitutionThe University of Tokyo

Principal Investigator

Tsumura Koji  東京大学, 大学院情報理工学系研究科, 准教授 (80241941)

Co-Investigator(Kenkyū-buntansha) 大木 健太郎  京都大学, 情報学研究科, 助教 (40639233)
田中 冬彦  大阪大学, 大学院基礎工学研究科, 准教授 (90456161)
大関 真之  東北大学, 情報科学研究科, 教授 (80447549)
Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥16,120,000 (Direct Cost: ¥12,400,000、Indirect Cost: ¥3,720,000)
Fiscal Year 2022: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2021: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2020: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Keywords制御理論 / 量子誤り訂正 / 量子情報理論 / 量子統計 / 量子計算理論
Outline of Research at the Start

量子誤り訂正の過程が「誤り検出」(量子状態の観測)と検出信号に基づく「誤り訂正」(量子状態への操作)からなることに注目し,誤りをもたらすノイズの影響下にある量子フィードバック制御系の制御問題ととらえ,量子制御理論・量子情報理論・量子計算理論を援用し,高性能な量子誤り訂正システムのための理論・設計手法を開発する.具体的に次の4課題の解決を目指す.課題1:量子誤り検出のためのオンライン状態トモグラフィ,課題2:量子フィードバック制御の制御性能解析,課題3:連続時間量子系に対する冗長化と量子誤り訂正精度のトレードオフ解析,課題4:実機の不均一さを克服する論理ビット構成の機械学習的アプローチ.

Outline of Final Research Achievements

In this research, we aim to advance quantum error correction, which is a key technology for realizing quantum computers. We focus on the error correction process, which consists of “error detection” (observation of quantum state) and “error correction” (manipulation to quantum state) based on the detected signal, and obtain various results on the estimation of quantum state and design and generation methods of quantum error correction codes. Specifically, we have the following results; 1. physically realistic quantum coding and decoding methods and their robustness against thermal noise, 2. quantum adaptive control, 3. analysis of reasonable quantum information for quantum estimation, 4. quantum state smoothing, 5. quantum annealer performance analysis, 6. noise-driven quantum annealing, 7. analysis of quantum Ising model, and 8. estimation of quantum Ising model.

Academic Significance and Societal Importance of the Research Achievements

結果の一つである量子符号化・復号化は,厳密な時間制御を必要としない散逸ダイナミクスを用い,また熱ノイズに対するロバスト化まで図ったものであり,世界的に見て新規であり,これまで実現性の議論が不十分な量子符号化の実現に大いに寄与するものである.また誤り検出の基礎となる量子情報量の導出や量子状態スムージングも,量子状態推定において新規の結果である.さらに量子ビットのエラーの実態を知るための量子アニーリングの性能解析の結果は,最新の量子計算機に関する性能解析であり,分野への貢献大である.また量子イジングモデルの解析は量子アニーリングの解析の基礎となるものであり,理論的貢献の大きな結果である.

Report

(4 results)
  • 2023 Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • Research Products

    (29 results)

All 2023 2022 2021 2020

All Journal Article (7 results) (of which Peer Reviewed: 7 results,  Open Access: 7 results) Presentation (21 results) (of which Int'l Joint Research: 14 results,  Invited: 7 results) Book (1 results)

  • [Journal Article] Gibbs-Bogoliubov Inequality on the Nishimori Line2023

    • Author(s)
      Okuyama Manaka、Ohzeki Masayuki
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 92 Issue: 8 Pages: 1-4

    • DOI

      10.7566/jpsj.92.084002

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mean-field theory is exact for Ising spin glass models with Kac potential in non-additive limit on Nishimori line2023

    • Author(s)
      Okuyama Manaka、Ohzeki Masayuki
    • Journal Title

      Journal of Physics A: Mathematical and Theoretical

      Volume: 56 Issue: 32 Pages: 325003-325003

    • DOI

      10.1088/1751-8121/ace6e4

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] An Information Quantity in Pure State Models2022

    • Author(s)
      Tanaka Fuyuhiko
    • Journal Title

      Entropy

      Volume: 24 Issue: 4 Pages: 541-541

    • DOI

      10.3390/e24040541

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Benchmark of quantum-inspired heuristic solvers for quadratic unconstrained binary optimization2022

    • Author(s)
      Hiroki Oshiyama, Masayuki Ohzeki
    • Journal Title

      Scientific Reports

      Volume: 12 Issue: 1

    • DOI

      10.1038/s41598-022-06070-5

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Benchmark Test of Black-box Optimization Using D-Wave Quantum Annealer2021

    • Author(s)
      Koshikawa Ami S.、Ohzeki Masayuki、Kadowaki Tadashi、Tanaka Kazuyuki
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 90 Issue: 6 Pages: 064001-064001

    • DOI

      10.7566/jpsj.90.064001

    • NAID

      40022591133

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Assessment of image generation by quantum annealer2021

    • Author(s)
      Sato Takehito、Ohzeki Masayuki、Tanaka Kazuyuki
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 13523-13523

    • DOI

      10.1038/s41598-021-92295-9

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mean field analysis of reverse annealing for code-division multiple-access multiuser detection2021

    • Author(s)
      Arai Shunta、Ohzeki Masayuki、Tanaka Kazuyuki
    • Journal Title

      Physical Review Research

      Volume: 3 Issue: 3 Pages: 033006-033006

    • DOI

      10.1103/physrevresearch.3.033006

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Robust Quantum Coding for Thermal Noise Via Dissipative Dynamics2023

    • Author(s)
      Kazuki Nishino, Kentaro Ohki, Koji Tsumura
    • Organizer
      The 62nd IEEE Conference on Decision and Control (CDC 2023)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 雑音駆動型量子アニーリングの検討2022

    • Author(s)
      江波 祥樹,大木 健太郎
    • Organizer
      第66回システム制御情報学会研究発表講演会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 散逸ダイナミクスによる量子符号化・復号化の一般化について2022

    • Author(s)
      加藤雅己,津村幸治
    • Organizer
      第9回 制御部門マルチシンポジウム
    • Related Report
      2021 Annual Research Report
  • [Presentation] N準位量子系の適応ロバスト制御における可到達性解析2022

    • Author(s)
      江波祥樹,大木健太郎
    • Organizer
      第9回 制御部門マルチシンポジウム
    • Related Report
      2021 Annual Research Report
  • [Presentation] Convergence analysis of adaptive tuning parameter for robust stabilizing control of N-level quantum systems2021

    • Author(s)
      Shoju Enami, Kentaro Ohki
    • Organizer
      SICE Annual Conference 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Comparison of Estimation Error between Two Different Low-Rank Kalman-Bucy Filters2021

    • Author(s)
      Shuto Yamada, Kentaro Ohki
    • Organizer
      SICE Annual Conference 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A proposal of adaptive parameter tuning for robust stabilizing control of N-level quantum angular momentum systems2021

    • Author(s)
      Shoju Enami, Kentaro Ohki
    • Organizer
      The 60th Conference on Decision and Control (CDC2021)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On Recursive Quantum State Smoothing2021

    • Author(s)
      Kentaro Ohki
    • Organizer
      The 53rd ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS’21)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] N準位量子系のロバスト制御のための適応パラメータ推定2021

    • Author(s)
      江波祥樹,大木健太郎
    • Organizer
      第65回システム制御情報学会研究発表会(SCI’21)
    • Related Report
      2021 Annual Research Report
  • [Presentation] N準位量子系の適応ロバスト制御のための適応ゲイン設計の考察2021

    • Author(s)
      江波祥樹,大木健太郎
    • Organizer
      第64回自動制御連合講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] How to perform iterative-structured machine learning by quantum annealer2021

    • Author(s)
      Masayuki Ohzeki
    • Organizer
      Adiabatic Quantum Computing Conference 2021 (AQC 2021)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Qubits21 presentations from Tohoku Univ./Sigma-i Co. Ltd.2021

    • Author(s)
      Masayuki Ohzeki
    • Organizer
      Qubits 21
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Quantum Annealing and Its Application to Real World -A Unique Education Program-2021

    • Author(s)
      Masayuki Ohzeki
    • Organizer
      2021 Bilateral Workshop between Tohoku University and National Tsing Hua University
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 散逸ダイナミクスを用いた量子復号2021

    • Author(s)
      下村光彦,大木健太郎,津村幸治
    • Organizer
      第8回計測自動制御学会制御部門マルチシンポジウム(2021年3月1日~4日・オンライン)
    • Related Report
      2020 Annual Research Report
  • [Presentation] Quantum Annealing and its Application to Real Industry2021

    • Author(s)
      Masayuki Ohzeki
    • Organizer
      RIEC International Symposium, When AI Meets Human Science: The 4th Tohoku-NTU Symposium on Interdisciplinary AI and Human Studies
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mean-field type quantum filter for a quantum Ising type system2020

    • Author(s)
      Kentaro Ohki
    • Organizer
      The 1st Virtual IFAC World Congress (IFAC-V 2020)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On a New Low-Rank Kalman-Bucy Filter and Its Convergence Property2020

    • Author(s)
      Shuto Yamada, Kentaro Ohki
    • Organizer
      The 52nd ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS '20)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] パケットロスのあるシステムに対するイベント駆動型推定と通信量削減手法の提案2020

    • Author(s)
      梶田健ノ介,大木健太郎
    • Organizer
      第63回自動制御連合講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Quantum annealing and machine learning - learning and Black-box optimization2020

    • Author(s)
      Masayuki Ohzeki
    • Organizer
      Ellis QPhML 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Quantum annealing, its theory and several applications in industry2020

    • Author(s)
      Masayuki Ohzeki
    • Organizer
      School on Modern Physics
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Quantum Annealing and Its Application to Real World2020

    • Author(s)
      Masayuki Ohzeki
    • Organizer
      ISMVL 2020(IEEE International Symposium on Multiple-Valued Logic)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Book] 量子コンピュータによる機械学習2020

    • Author(s)
      Maria Schuld (著), Francesco Petruccione (著), 大関 真之 (翻訳), 荒井 俊太 (翻訳), 篠島 匠人 (翻訳), 高橋 茶子 (翻訳), 御手洗 光祐 (翻訳), 山城 悠 (翻訳)
    • Total Pages
      368
    • Publisher
      共立出版
    • ISBN
      9784320124622
    • Related Report
      2020 Annual Research Report

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Published: 2020-04-28   Modified: 2025-01-30  

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