Molecular-Spin Quantum Manipulation by Pulsed Electron-Nuclear Multiple Resonance Technique

2008 Fiscal Year Final Research Report

• Project/Area Number: 18350015
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Physical chemistry
• Research Institution: Osaka City University
• Principal Investigator: SATO Kazunobu Osaka City University, 大学院・理学研究科, 教授 (90264796)
• Project Period (FY): 2006 – 2008
• Keywords: 量子情報科学 / 分子スピン量子コンピュータ / パルス磁気共鳴 / 電子状態制御

Research Abstract

分子スピン量子コンピュータの実現を目指し、分子内の電子スピンを利用する量子情報制御をパルス電子-核多重共鳴技術を用いて行った。分子スピン系における量子絡み合い状態の実験的な検出と状態変換を行い、電子スピン(半整数スピン)が持つ固有の量子機能としてのスピノール性を顕な形で初めて実験的に成功した。これにより、電子-核スピン混在スピン系において、量子高密度符号化などの初等量子アルゴリズムを実行することが可能であることを実験的に検証することができた。

Research Products

• [Journal Article] Molecular electron-spin quantum computers and quantum information processing : Pulse-based electron magnetic resonance spin technology applied to matter spin-qubits (2009)
  • Author(s): K.Sato, S.Nakazawa, R.Rahimi, T.Ise, S.Nishida, T.Yoshino, N.Mori, K.Toyota, D.Shiomi, Y.Yakiyama, Y.Morita, M.Kitagawa, K.Nakasuji, M.Nakahara, H.Hara, P.Carl, P.Hofer and T.Takui
  • Journal Title: J.Mater. Chem., published on the web Pages: (DOI : 10.1039/b819556k)
  • Peer Reviewed
• [Journal Article] Curve-Structured Phenalenyl Chemistry : Synthesis, Electronic Structure and Bowl-Inversion Barrier of a Phenalenyl-Fused Corannulene Anion (2008)
  • Author(s): S.Nishida, Y.Morita, A.Ueda, T.Kobayashi, K.Fukui, K.Ogasawara, K.Sato, T.Takui, and K.Nakasuji
  • Journal Title: J. Am. Chem. Soc. 130 Pages: 14954-14955(DOI : 10.1021/ja806708j)
  • Peer Reviewed
• [Journal Article] Macrocyclic High-Spin(S=2)Molecule : Spin Identification of A Sterically Rigid Metacyclophane-Based Nitroxide Tetraradical by Two-Dimensional Electron Spin Transient Nutation Spectroscopy (2008)
  • Author(s): T.Sawai, K.Sato, T.Ise, D.Shiomi, K.Toyota, Y.Morita, and T.Takui
  • Journal Title: Angew. Chem. Int. Ed. 47 Pages: 3988-3990(DOI : 10.1002/anie.200705583)
  • Peer Reviewed
• [Journal Article] Electronic and molecular structures of C60-based poly-anionic high-spin molecular clusters : Direct spin identification and electron spin transient nutation spectroscopy for high spin chemistry (2008)
  • Author(s): S.Nakazawa, K.Sato, D.Shiomi, M.L.T.M.B.Franco, M.C.R.L.R.Lazana, M.C.B.L.Shohoji, K.Itoh, and T.Takui
  • Journal Title: Inorg. Chim. Acta. 361 Pages: 4031-4037(DOI : 10.1016/j.ica.2008.03.048)
  • Peer Reviewed
• [Journal Article] Curved Aromaticity of Corannulene-Based Neutral Radical : Crystal Structure and 3D Unbalanced Delocalization of Spin (2008)
  • Author(s): Y.Morita, A.Ueda, S.Nishida, K.Fukui, T.Ise, D.Shiomi, K.Sato, T.Takui, and K.Nakasuji
  • Journal Title: Angew. Chem. Int. Ed. 47 Pages: 2035-2038(DOI : 10.1002/anie.200704752)
  • Peer Reviewed
• [Journal Article] Reduction of a Kinetically Stabilized Silabenzene Leading to the Formation of the Corresponding Anion Radical Species (2008)
  • Author(s): T.Matsumoto, T.Sasamori, K.Sato, T.Takui, and N.Tokitoh
  • Journal Title: Organometallics 27 Pages: 305-308(DOI : 10.1021/om701060a)
  • Peer Reviewed
• [Journal Article] Thermochromism in an Organic Crystal Based on the Co-existence of σ- and π-Dimers (2008)
  • Author(s): Y.Morita, S.Suzuki, K.Fukui, S.Nakazawa, H.Kitagawa, H.Kishida, H.Okamoto, A.Naito, A.Sekine, Y.Ohashi, M.Shiro, K.Sasaki, D.Shiomi, K.Sato, T.Takui, and K.Nakasuji
  • Journal Title: Nature Materials 7 Pages: 48-51(DOI : 10.1038/nmat2067)
  • Peer Reviewed
• [Journal Article] Implementation of Molecular Spin Quantum Computing by Pulsed ENDOR Technique : Direct Observation of Quantum Entanglement and Spinor (2007)
  • Author(s): K.Sato, R.Rahimi, N.Mori, S.Nishida, K.Toyota, D.Shiomi, Y.Morita, A.Ueda, S.Suzuki, K.Furukawa, T.Nakamura, M.Kitagawa, K.Nakasuji, M.Nakahara, H.Hara, P.Carl, P.Hoefer, and T.Takui
  • Journal Title: Physica E 40 Pages: 363-366(DOI : 10.1016/j.physe.2007.06.031)
  • Peer Reviewed
• [Journal Article] Singlet biradical character of phenalenyl-based Kekule hydrocarbon with naphthoquinoid structure (2007)
  • Author(s): T.Kubo, A.Shimizu, M.Uruichi, K.Yakushi, M.Nakano, D.Shiomi, K.Sato, T.Takui, Y.Morita, and K.Nakasuji
  • Journal Title: Organic Letters 9 Pages: 81-84(DOI : 10.1021/ol062604z)
  • Peer Reviewed
• [Journal Article] Watson-Crick Pairing of Nucleobases Functionalized with Open-Shell Molecular Entities in Crystalline Solids (2006)
  • Author(s): T.Ise, D.Shiomi, K.Sato, and T.Takui
  • Journal Title: Chem. Commun Pages: 4832-4834(DOI : 10.1039/b618682c)
  • Peer Reviewed
• [Journal Article] Experimental evidence for the triplet-like spin state appearing in ground-state singlet biradicals as a key feature for generalized ferrimagnetic spin alignment (2006)
  • Author(s): K.Maekawa, D.Shiomi, T.Ise, K.Sato, and T.Takui
  • Journal Title: J. Phys. Chem. B, 110 Pages: 2102-2107(DOI : 10.1021/jp056052y)
  • Peer Reviewed
• [Journal Article] Clustering of Molecular Spins in the Crystals of Nitronylnitroxide and Iminonitroxide Triradicals Based on Benzene-1, 3, 5-Triyl Frameworks (2006)
  • Author(s): Y.Kanzaki, D.Shiomi, C.Kaneda, T.Ise, K.Sato, and T.Takui
  • Journal Title: J. Mater. Chem. 16 Pages: 2064-2073(DOI : 10.1039/b518416a)
  • Peer Reviewed
• [Journal Article] A High-Conductivity Crystal Containing a Copper(I) Coordination Polymer Bridged by the Organic Acceptor TANC (2006)
  • Author(s): M.Tadokoro, S.Yasuzuka, M.Nakamura, T.Shinoda, T.Tatenuma, M.Mitsumi, Y.Ozawa, K.Toriumi, H.Yoshino, D.Shiomi, K.Sato, T.Takui, T.Mori, and K.Murata
  • Journal Title: Angew. Chem. Int. Ed. 45 Pages: 5144-5147(DOI : 10.1002/anie.200600553)
  • Peer Reviewed
• [Journal Article] One-electron Reduction of Kinetically Stabilized Dipnictenes : Synthesis of Dipnictene Anion Radicals (2006)
  • Author(s): T.Sasamori, E.Mieda, N.Nagahora, K.Sato, D.Shiomi, T.Takui, Y.Hosoi, Y.Furukawa, N.Takagi, S.Nagase, and N.Tokitoh
  • Journal Title: J. Am. Chem. Soc. 128 Pages: 12582-12588(DOI : 10.1021/ja064062m)
  • Peer Reviewed
• [Journal Article] Ab Initio MO Analysis of the Excited Electronic States of High-Spin Quintet 2-Methylphenylene-1, 3-dinitrene (2006)
  • Author(s): K.Sugisaki, K.Toyota, K.Sato, D.Shiomi, and T.Takui
  • Journal Title: Angew. Chem. Int. Ed. 45 Pages: 2257-2260(DOI : 10.1002/anie.200502695)
  • Peer Reviewed
• [Presentation] Implementation Of Molecular-Spin Quantum Computers By Pulsed Electron Multiple Resonance Technique (2008)
  • Author(s): K.Sato, S.Nakazawa, S.Nishida, T.Ise, R.Rahimi, K.Toyota, D.Shiomi, Y.Morita, M.Kitagawa, M.Nakahara, H.Hara, P.Carl, P.Hofer, and T.Takui
  • Organizer: The 2nd Russian-Japanese Workshop "Open Shell Compounds and Molecular Spin Devices"
  • Place of Presentation: Yekaterinburg, Russia
  • Year and Date: 20081016-17
• [Presentation] 量子スピンコンピュータを目指した、パルス電子多重共鳴法による弱交換相互作用ビラジカル系の量子状態制御 (2008)
  • Author(s): 佐藤和信・中澤重顕・伊瀬智章・西田辰介・豊田和男・塩見大輔・森田靖・北川勝浩・工位武治
  • Organizer: 第47回電子スピンサイエンス学会年会
  • Place of Presentation: 九州大学
  • Year and Date: 20081001-03
• [Presentation] Implementation of Quantum Operation by Pulsed Electron Magnetic Resonance Technique for Molecular-Spin Quantum Computers (2008)
  • Author(s): K.Sato, S.Nakazawa, S.Nishida, T.Ise, R.Rahimi, K.Toyota, D.Shiomi, Y.Morita, M.Kitagawa, M.Nakahara, H.Hara, P.Carl, P.Hofer, and T.Takui
  • Organizer: The 11th International Conference on Molecule-based Magnets (ICMM2008)
  • Place of Presentation: Florence, Italy
  • Year and Date: 20080921-24
• [Presentation] Molecular-Spin Quantum Manipulation by Pulsed Electron Magnetic Resonance : pulsed ENDOR- and Coherent Dual ELDOR-QC (2008)
  • Author(s): K.Sato, R.Rahimi, S.Nakazawa, T.Ise, S.Nishida, T.Yoshino, K.Toyota, D.Shiomi, Y.Morita, M.Kitagawa, K.Nakasuji, M.Nakahara, H.Hara, P.Carl, P.Hofer, and T.Takui
  • Organizer: 8th Asian Conference on Quantum Information Science
  • Place of Presentation: Seoul, Korea
  • Year and Date: 20080825-31
• [Presentation] Development of A Coherent-Dual ELDOR Spectrometer for Implementation of Molecular-Spin Quantum Computers (2007)
  • Author(s): K.Sato, S.Nakazawa, N.Mori, T.Ise, R.Rahimi, K.Toyota, D.Shiomi, Y.Morita, M.Kitagawa, K.Nakasuji, M.Nakahara, H.Hara,P.Carl, P.Hofer, and T.Takui
  • Organizer: A Joint Conference of the International Symposium on Electron Spin Science and the 46th Annual Meeting of the Society of Electron Spin Science and Technology (ISESS-SEST2007)
  • Place of Presentation: Shizuoka, Japan
  • Year and Date: 20071106-09
• [Presentation] 分子スピン量子コンピュータの要素技術としてのCoherent Dual ELDOR によるマイクロ波位相制御と応用 (2007)
  • Author(s): 佐藤和信, 中澤重顕, R.Rahimi, 吉野共広, 西田辰介, 伊瀬智章, 森展之, 森田靖, 豊田和男, 塩見大輔, 中筋一弘, 北川勝浩, 原英之, P.Carl, P.Hofer, 工位武治
  • Organizer: 第1回分子科学討論会
  • Place of Presentation: 東北大学
  • Year and Date: 20070917-20
• [Presentation] Implementation of Molecular Spin Quantum Computing by Pulsed Electron Magnetic Resonance Technique : Coherent ENDOR/Dual ELDOR-Based QC (2007)
  • Author(s): K.Sato, R.Rahimi, S.Nakazawa, N.Mori, S.Nishida, K.Toyota, D.Shiomi, Y.Morita, A.Ueda, S.Suzuki, K.Furukawa, T.Nakamura, M.Kitagawa, K.Nakasuji, M.Nakahara, H.Hara, P.Carl, P.Hofer, and T.Takui
  • Organizer: Asian Conference on Quantum Information Science(AQIS2007)
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 20070903-06
• [Presentation] コヒーレント電子-電子二重共鳴を用いた時間比例位相増加法によるマイクロ波パルスの位相制御 (2007)
  • Author(s): 佐藤和信, 原雄太, 豊田和男, 塩見大輔, 森田靖, 北川勝浩, 原英之, Patrick, Carl, Pete,r Hofer, 工位武治
  • Organizer: 日本化学会第87春季年会
  • Place of Presentation: 関西大学
  • Year and Date: 20070325-28
• [Presentation] 電子-核スピン系のスピン量子絡み合い状態の形成と起源 (2006)
  • Author(s): 佐藤和信, R.Rahimi, 西田辰介, 森田靖, 豊田和男, 塩見大輔, 中原幹夫, 北川勝浩, 中筋一弘, 工位武治
  • Organizer: 第45回電子スピンサイエンス学会年会
  • Place of Presentation: 京都工芸繊維大学
  • Year and Date: 20061114-16
• [Presentation] 分子スピン量子コンピュータの開発 (2006)
  • Author(s): 佐藤和信
  • Organizer: 第45回電子スピンサイエンス学会年会
  • Place of Presentation: 京都工芸繊維大学, 他
  • Year and Date: 20061114-16
• [Book] Quantum Computing Using Pulse-Based Electron-Nuclear Double Resonance (ENDOR) : Molecular Spin-Qubits(印刷中) (2009)
  • Author(s): K.Sato, S.Nakazawa, R.D.Rahimi, S.Nishida, T.Ise, D.Shiomi, K.Toyota, Y.Morita, M.Kitagawa, P.Carl, P.Hofer, and T.Takui
  • Publisher: in Molecular Realizations of Quantum Computing 2007 (Kinki University Series on Quantum Computing) edited by M.Nakahara, Y.Ota, and R.Rahimi, World Scientific
• [Book] 有機ラジカル量子ビット-分子スピン量子コンピュータ/量子情報処理技術の開発- (2008)
  • Author(s): 工位武治, 中澤重顕, 佐藤和信, 塩見大輔, 豊田和男
  • Total Pages: 49-61
  • Publisher: in機能材料28巻7号, シーエムシー出版
• [Book] Quantum Information Processing as Studied by Molecule-Based Pulsed ENDOR Spectroscopy (2007)
  • Author(s): R.Rahimi, K.Sato, D.Shiomi, and T.Takui
  • Total Pages: 643-650
  • Publisher: in Modern Magnetic Resonance, ed. Graham A. Webb, Springer-Verlag
• [Remarks] 北川勝浩, 工位武治, 佐藤和信, 森田靖"分子スピン量子コンピュータ/量子情報処理システムの開発", 化学と工業, 62, pp.31-33 (2009).
• [Remarks] 研究室HP
  • URL: http://www.sci.osaka-cu.ac.jp/chem/phy2/
• [Remarks] 研究代表者HP
  • URL: http://www.sci.osaka-cu.ac.jp/~sato/