• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Mathematical study of quantum information and quantum computing

Research Project

Project/Area Number 17340021
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field General mathematics (including Probability theory/Statistical mathematics)
Research InstitutionNagoya University (2008)
Tohoku University (2005-2007)

Principal Investigator

MASANAO Ozawa  Nagoya University, 大学院・情報科学研究科, 教授 (40126313)

Co-Investigator(Kenkyū-buntansha) HIAI Fumio  東北大学, 大学院・情報科学研究科, 教授 (30092571)
OBATA Nobuaki  東北大学, 大学院・情報科学研究科, 教授 (10169360)
TANAKA Kazuyuki  東北大学, 大学院・理学研究科, 教授 (70188291)
HOTTA Masahiro  東北大学, 大学院・理学研究科, 助手 (60261541)
KANEKO Makoto  東北大学, 大学院・情報科学研究科, 教授 (10007172)
Co-Investigator(Renkei-kenkyūsha) HIAI Fumio  東北大学, 大学院・情報科学研究科, 教授 (30092571)
OBATA Nobuaki  , 大学院・情報科学研究科, 教授 (10169360)
TANAKA Kazuyuki  東北大学, 大学院・理学研究科, 教授 (70188291)
HOTTA Masahiro  東北大学, 大学院・理学研究科, 助手 (60261541)
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥15,840,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥2,040,000)
Fiscal Year 2008: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2007: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2006: ¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 2005: ¥3,600,000 (Direct Cost: ¥3,600,000)
Keywords数理物理学 / 数学基礎論 / 量子測定 / 量子情報 / 量子計算 / 不確定性原理 / 量子集合論 / 量子確率論 / 量子ゲート / デコヒーレンス / 量子仮説検定 / 量子チャンネル推定 / 保存法則 / Wigner-Araki-Yanaseの定理 / 量子推定 / 量子オペレーション / 量子論理ゲート / 自由確率論 / 量子完全相関 / Fisher情報量
Research Abstract

量子コンピュータに代表される量子情報技術の理論的基礎を確立するために, 数理物理学と数学基礎論の方法によって, 量子測定, 量子情報, 量子計算に関する数学理論を構築し, 本研究代表者が開発した量子測定理論と普遍的不確定性原理に基づいて, 保存法則に由来する量子計算の精度の限界を明らかにし, 量子計算の実現に伴う様々なモデルに対して, 想定される不可避な誤差とそれを防ぐのに必要な物理的リソースの関係を明らかにした.

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (131 results)

All 2009 2008 2007 2006 2005

All Journal Article (98 results) (of which Peer Reviewed: 70 results) Presentation (31 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] Theoretical constraints on implementations of arbitrary single-qubit gates under conservation laws2009

    • Author(s)
      T. Karasawa, M. Ozawa, and K. Nemoto
    • Journal Title

      AIP Conference Proceedings1110

      Pages: 411-414

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A Protocol of Quantum Authentication with Secure Quantum Passwords2009

    • Author(s)
      M. Hotta and M. Ozawa
    • Journal Title

      AIP Conference Proceedings1110

      Pages: 388-391

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Gete fidelity of arbitrary single-qubit gates constrained by conservation laws2009

    • Author(s)
      T. Karasawa, J. Gea-Banacloche and M. Ozawa
    • Journal Title

      J. Phys. A : Math. Theor. 42, 225303

      Pages: 1-16

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Perfect computational equivalence between quantum Turing machines and finitely generated uniform quantum circuit families, Quantum Inf2009

    • Author(s)
      H. Nishimur and M. Ozawa
    • Journal Title

      Process 8

      Pages: 12-24

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A log-Sobolev type inequality for free entropy of two projections2009

    • Author(s)
      F. Hiai and Y. Ueda
    • Journal Title

      Ann. Inst. H. Poincare Probab. Statist 45

      Pages: 239-249

    • NAID

      120006714550

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum covariance, quantum Fisher information and the uncertainty principle2009

    • Author(s)
      P. Gibilisco, F. Hiai and D. Petz
    • Journal Title

      IEEE Trans. Inform. Theory 55

      Pages: 439-443

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Riemannian metrics on positive definite matrices related to means2009

    • Author(s)
      F. Hiai and D. Petz
    • Journal Title

      Linear Algebra Appl 430

      Pages: 3105-3130

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Annihilation-derivative, creation-derivative and representation of quantum martingales2009

    • Author(s)
      U. C. Ji and N. Obata
    • Journal Title

      Commun. Math. Phys. 286

      Pages: 751-775

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum stochastic integral representations of Fock space operators2009

    • Author(s)
      U. C. Ji and N. Obata
    • Journal Title

      Stochastics (掲載決定)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Perfect computational equivalence between quantum Turing machines and finitely generated uniform quantum circuit families2009

    • Author(s)
      H. Nishimura, M. Ozawa
    • Journal Title

      Quantum Information Processing 8

      Pages: 12-24

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Gete fidelity of arbitrary single-qubit gates constrained by conservation laws2009

    • Author(s)
      T. Karasawa, J. Gea-Banacloche, M. Ozawa
    • Journal Title

      Journal of Physics A : Mathematical and Theoretical (掲載決定)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A log-Sobolev type inequality for free entropy of two projections2009

    • Author(s)
      F. Hiai, Y. Ueda
    • Journal Title

      Ann. Inst. H. Poincare Probab. Statist. 45

      Pages: 239-249

    • NAID

      120006714550

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum covariance, quantum Fisher information and the uncertainty principle2009

    • Author(s)
      P. Gibilisco, F. Hiai, D. Petz
    • Journal Title

      IEEE Trans. Inform. Theory 55

      Pages: 439-443

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Riemannian metrics on positive definite matrices related to means2009

    • Author(s)
      F. Hiai, D. Petz
    • Journal Title

      Linear Algebra Appl. 430

      Pages: 3105-3130

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Monotonicity for entrywise functions of matrices2009

    • Author(s)
      F. Hiai
    • Journal Title

      Linear Algebra Appl. 45(掲載決定)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Annihilation-derivative, creation-derivative and representation of quantum martingales2009

    • Author(s)
      U. C. Ji, N. Obata
    • Journal Title

      Commun. Math. Phys. 286

      Pages: 751-775

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum stochastic integral representations of Fock space operators2009

    • Author(s)
      U. C. Ji, N. Obata
    • Journal Title

      Stochastics (掲載決定)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum energy teleportation in spin chain systems2009

    • Author(s)
      M. Hotta
    • Journal Title

      Journal of the Physical Society of Japan 78

    • NAID

      110007138885

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quan-tum precision limits for any imple-mentation of single qubit gates under conservation laws2008

    • Author(s)
      T. Karasawa, M. Ozawa, J, Gea-Banacloche and K. Nemoto
    • Journal Title

      Int.J. Quant. Inf 6

      Pages: 701-706

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum limits of measurements induced by multiplicative con- servation laws: Extension of the Wigner-Araki-Yanase Theorem2008

    • Author(s)
      G. Kimura, B.K. Meister and M. Ozawa
    • Journal Title

      Phys. Rev. A78

      Pages: 1-7

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Error exponents in hypothesis testing for correlated states on a spin chain2008

    • Author(s)
      F. Hiai, M. Mosonyi and T. Ogawa
    • Journal Title

      Journal of Mathematical Physics 49

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Asymptotic distinguishability measures for shift-invariant quasi-free states of fermionic lattice systems2008

    • Author(s)
      M. Mosonyi, F. Hiai, T. Ogawa and M. Fannes
    • Journal Title

      Journal of Mathematical Physics 49

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Generalization of complexity oscillations in infinite sequeces2008

    • Author(s)
      C.G. Liu, K. Tanaka and T. Yamazaki
    • Journal Title

      4rd International Conference on Natural Computation (ICNC'08), IEEE

      Pages: 299-303

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The quasi-equivalence between the definitions of partial randomness2008

    • Author(s)
      C.G. Liu, K. Tanaka and T. Yamazaki
    • Journal Title

      4rd International Conference on Natural Computation (ICNC'08), IEEE

      Pages: 371-375

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Complexity Oscillations in Random Reals2008

    • Author(s)
      C.G. Liu and K. Tanaka
    • Journal Title

      IEICE Transactions on Information and Systems 91

      Pages: 2517-2518

    • NAID

      10026806148

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum measurement information as a key to energy extraction from local vacuums2008

    • Author(s)
      M. Hotta
    • Journal Title

      Physical Review D 78

    • Related Report
      2008 Annual Research Report 2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Channel estimation theory of low-noise multiple parameters: Attainability problem of the Cramer-Rao bounds2008

    • Author(s)
      M. Hotta and T. Karasawa
    • Journal Title

      Physical Review A 78

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Asymptotic spectral analysis of growing regular graphs, Trans2008

    • Author(s)
      A. Hora and N. Obata
    • Journal Title

      Amer. Math. Soc 36

      Pages: 899-923

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum precision limits for any implementation of single qubit gates under conservation laws2008

    • Author(s)
      T. Karasawa, M. Ozawa, J. Gea-Banacloche, K. Nemoto
    • Journal Title

      International Journal of Quantum Information 6

      Pages: 701-706

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum limits of measurements induced by multiplicative conservation laws : Extension of the Wigner-Araki-Yanase Theorem2008

    • Author(s)
      G. Kimura, B. K. Meister, M. Ozawa
    • Journal Title

      Physical Review A 78

    • NAID

      120001151535

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Notes on microstate free entropy of projections2008

    • Author(s)
      F. Hiai, Y. Ueda
    • Journal Title

      Publ. Res. Inst. Math. Sci., Kyoto Univ. 44

      Pages: 49-89

    • NAID

      110006574489

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Free energy density for mean field perturbation of states of a one-dimensional spin chain2008

    • Author(s)
      F. Hiai, M. Mosonyi, H. Ohno, D. Petz
    • Journal Title

      Reviews in Mathematical Physics 20

      Pages: 335-365

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Error exponents in hypothesis testing for correlated states on a spin chain2008

    • Author(s)
      F. Hiai, M. Mosonyi, T. Ogawa
    • Journal Title

      Journal of Mathematical Physics 49

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Asymptotic distinguishability measures for shift-invariant quasi-free states of fermionic lattice systems2008

    • Author(s)
      M. Mosonyi, F. Hiai, T. Ogawa, M. Fannes
    • Journal Title

      Journal of Mathematical Physics 49

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Generalization of complexity oscillations in infinite sequeces2008

    • Author(s)
      C. G. Liu, K. Tanaka, T. Yamazaki
    • Journal Title

      4rd International Conference on Natural Computation (ICNC'08), IEEE

      Pages: 299-303

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The quasi-equivalence between the definitions of partial randomness2008

    • Author(s)
      C. G. Liu, K. Tanaka, T. Yamazaki
    • Journal Title

      4rd International Conference on Natural Computation (ICNC'08), IEEE

      Pages: 371-375

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Complexity Oscillations in Random Reals2008

    • Author(s)
      C. G. Liu, K. Tanaka
    • Journal Title

      IEICE Transactions on Information and Systems 91

      Pages: 2517-2518

    • NAID

      10026806148

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A protocol for quantum energy distribution2008

    • Author(s)
      M. Hotta
    • Journal Title

      Physics Letters A 372

      Pages: 5671-5676

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Channel estimation theory of low-noise multiple parameters : Attainability problem of the Cramer-Rao bounds2008

    • Author(s)
      M. Hotta, T. Karasawa
    • Journal Title

      Physical Review A 78

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Notes on microstate free entropy of projections2008

    • Author(s)
      F. Hiai and Y. Ueda
    • Journal Title

      Publ. Res. Inst. Math. Sci. 44

      Pages: 49-89

    • NAID

      110006574489

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Error exponents in hypothesis testing for correlated states on a spin chain2008

    • Author(s)
      F. Hiai, M. Mosonyi, and T. Ogawa
    • Journal Title

      J. Math. Phys. 49

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Simultaneous measurability of non-commuting observables and the universal un-certainty principle2007

    • Author(s)
      M. Ozawa
    • Journal Title

      Proc 8th Int. Conf. on Quan-tum Communication, Measurement and Computing, NICT Press, Tokyo

      Pages: 363-368

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Low-noise channel estimation, Proc2007

    • Author(s)
      M. Hotta, T. Karasawa, K. Matsumoto andM. Ozawa
    • Journal Title

      8th Int. Conf. on Quantum Communication, Measurement and Computing, NICT Press, Tokyo

      Pages: 319-322

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Comments on "Best conventional solutions to the King's problem,"2007

    • Author(s)
      G. Kimura, H. Tanaka andM. Ozawa
    • Journal Title

      Z. Naturforsch 62a

      Pages: 152-156

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Transfer principle in quantum set theory2007

    • Author(s)
      M. Ozawa
    • Journal Title

      J. Symbolic Logic 72

      Pages: 625-648

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conservation-law-induced quantum limits for physical realizations of the quantum NOT gate2007

    • Author(s)
      T. Karasawa and M. Ozawa
    • Journal Title

      Phys Rev.A 75

      Pages: 32324-32324

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A limit relation for entropy and channel capacity per unit cost2007

    • Author(s)
      I. Csiszar, F. Hiai and D. Petz
    • Journal Title

      J. Math. Phys. 48

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Large deviations and Chernoff bound for certain correlated states on a spin chain2007

    • Author(s)
      F. Hiai, M. Mosonyi and T. Ogawa
    • Journal Title

      J. Math. Phys. 48

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Comments on "Best conventional solutions to the King's problem"2007

    • Author(s)
      G. Kimura, H. Tanaka, and M. Ozawa
    • Journal Title

      Z. Naturforsch 62a

      Pages: 152-156

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Low-noise channel estimation2007

    • Author(s)
      M. Hotta, T. Karasawa, K. Matsumoto, and M. Ozawa
    • Journal Title

      Proc. 8th Int. Conf. on Quantum Communication, Measurement and Computing

      Pages: 319-322

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Simultaneous measurability of non-commuting observables and the universal uncertainty principle2007

    • Author(s)
      M. Ozawa
    • Journal Title

      Proc. 8th Int. Conf. on Quantum Communication, Measurement and Computing

      Pages: 363-368

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A limit relation for entropy and channel capacity per unit cost2007

    • Author(s)
      I. Csiszar, F. Hiai, and D. Petz
    • Journal Title

      J. Math. Phys 48

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Large deviations and Chernoff bound for certain correlated states on a spin chain2007

    • Author(s)
      F. Hiai, M. Mosonyi, and T. Ogawa,
    • Journal Title

      J. Math. Phys. 48

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Transfer principle in quantum set theory2007

    • Author(s)
      M.Ozawa
    • Journal Title

      J. Symbolic Logic 72

      Pages: 625-648

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Simultaneous measurability of non-commuting observables and the universal uncertainty principle2007

    • Author(s)
      M.Ozawa
    • Journal Title

      Proc. 8th Int. Conf. on Quantum Communication, Measurement and Commuting (掲載决定)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Low-noise channel estimation2007

    • Author(s)
      M.Hotta, T.Karasawa, K.Matsumoto, M.Ozawa
    • Journal Title

      Proc. 8th Int. Conf. on Quantum Communication, Measurement and Computing (掲載决定)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Comments on "Best conventional solutions to the King's problem"2007

    • Author(s)
      G.Kimura, H.Tanaka, M.Ozawa
    • Journal Title

      Z. Naturforsch. 62a

      Pages: 152-156

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Delta^0_3-determinacy, comprehension and induction2007

    • Author(s)
      M.O.MedSalem, K.Tanaka
    • Journal Title

      J. of Symbolic Logic (掲載決定)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Infinite games in the Cantor space and subsystems of second order arithmetic2007

    • Author(s)
      T.Nemoto, M.O.MedSalem, K.Tanaka
    • Journal Title

      Mathematical Logic Quarterly (掲載決定)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Quantum gates generated by rotationally invariant operators in a decoherence-free subsystem2006

    • Author(s)
      Y. Kawano and M. Ozawa
    • Journal Title

      Phys Rev. A73

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Entanglement witness derived from NMR superdense coding2006

    • Author(s)
      R. Rahimi, K. Takeda, M. Ozawa and M. Kitagawa
    • Journal Title

      J. of Phys. A: Math. Gen. 39

      Pages: 2151-2159

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Quantum perfect correlations2006

    • Author(s)
      M. Ozawa
    • Journal Title

      Annals of Physics 321

      Pages: 744-769

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Solution to the mean King's problem with mutually unbiased bases for arbitrary levels2006

    • Author(s)
      G. Kimura, H. Tanaka and M. Ozawa
    • Journal Title

      Phys Rev. A73

    • NAID

      120003780543

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Noise and disturbance in quantum measurements and operations2006

    • Author(s)
      M. Ozawa
    • Journal Title

      Proceedings of SPIE6244 6244Q

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Defense of "Impossibility of distant indirect measurement of the quantum Zeno effect,"2006

    • Author(s)
      M. Ozawa
    • Journal Title

      Phys. Lett. A356

      Pages: 411-413

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] N-body-extended channel estimation for low-noise parameters2006

    • Author(s)
      M. Hotta, T. Karasawa and M. Ozawa
    • Journal Title

      J. Phys. A : Math. Gen. 39

      Pages: 14465-14470

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Minimum-energy pulses for quantum logic cannot be shared2006

    • Author(s)
      J. Gea-Banacloche and M. Ozawa
    • Journal Title

      Phys. Rev. A74

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A free logarithmic Sobolev inequality on the circle, Canad2006

    • Author(s)
      F. Hiai, D. Petz and Y. Ueda
    • Journal Title

      Canad. Math. Bull 49

      Pages: 389-406

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Free transportation cost inequalities for non-commutative multi-variables, Infinite Dimensional Analysis2006

    • Author(s)
      F. Hiai and Y. Ueda
    • Journal Title

      Quantum Probability and Related Topics 9

      Pages: 391-412

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Large deviations for functions of two random projection matrices2006

    • Author(s)
      F. Hiai and D. Petz
    • Journal Title

      Acta Sci. Math. (Szeged) 72

      Pages: 581-609

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Solution to the mean King's problem with mutually unbiased bases for arbitrary levels2006

    • Author(s)
      G.Kimura, H.Tanaka, M.Ozawa
    • Journal Title

      Phys. Rev. A 73

    • NAID

      120003780543

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Noise and disturbance in quantum measurements and operations2006

    • Author(s)
      M.Ozawa
    • Journal Title

      Proc. SPIE Int. Soc. Opt. Eng. 6244

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Defense of "Impossibility of distant indirect measurement of the quantum Zeno effect2006

    • Author(s)
      M.Ozawa
    • Journal Title

      Phys. Lett. A 356

      Pages: 411-413

    • Related Report
      2006 Annual Research Report
  • [Journal Article] N-body-extended channel estimation for low-noise parameters2006

    • Author(s)
      M.Hotta, T.Karasawa, M.Ozawa
    • Journal Title

      J. Phys. A : Math. Gen. 39

      Pages: 14465-14470

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Minimum-energy pulses for quantum logic cannot be shared2006

    • Author(s)
      J.Gea-Banacloche, M.Ozawa
    • Journal Title

      Phys. Rev. A 74

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Conservation-law-induced quantum limits for physical realizations of the quantum NOT gate2006

    • Author(s)
      T.Karasawa, M.Ozawa
    • Journal Title

      Phys. Rev. A. 75

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A free logarithmic Sobolev inequality on the circle2006

    • Author(s)
      F.Hiai, D.Petz, Y.Ueda
    • Journal Title

      Canad. Math. Bull. 49

      Pages: 389-406

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Free transportation cost inequalities for non-commutative multi-variables2006

    • Author(s)
      F.Hiai, Y.Ueda
    • Journal Title

      Infinite Dimensional Analysis, Quantum Probability and Related Topics 9

      Pages: 391-412

    • NAID

      120006714543

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A free analogue of the transportation cost inequality on the circle2006

    • Author(s)
      F.Hiai, D.Petz
    • Journal Title

      Banach Center Publications 73

      Pages: 199-206

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Large deviations for functions of two random projection matrices2006

    • Author(s)
      F.Hiai, D.Petz
    • Journal Title

      Acta Sci. Math. (Szeged) 72

      Pages: 581-609

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Quantum gates generated by rotationally invariant operators in a decoherence-free subsystem2006

    • Author(s)
      Y.Kawano, M.Ozawa
    • Journal Title

      Phys.Rev.A 73

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Entanglement witness derived from NMR superdense coding2006

    • Author(s)
      R.Rahimi, K.Takeda, M.Ozawa, M.Kitagawa
    • Journal Title

      J.Phys.A : Math.Gen. 39

      Pages: 2151-2159

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Quantum perfect correlations2006

    • Author(s)
      M.Ozawa
    • Journal Title

      Ann.Phys.(N.Y.) 321

      Pages: 744-769

    • Related Report
      2005 Annual Research Report
  • [Journal Article] A free logarithmic Sobolev inequality on the circle2006

    • Author(s)
      F.Hiai, D.Petz, Y.Ueda
    • Journal Title

      Canad.Math.Bull. 20(印刷中)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Asymptotic spectral analysis of growing regular graphs2006

    • Author(s)
      A.Hora, N.Obata
    • Journal Title

      Trans.Amer.Math.Soc. (印刷中)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Unitarity of generalized Fourier--Gauss transforms2006

    • Author(s)
      U.C.Ji, N.Obata
    • Journal Title

      Stochastic Anal.Appl. (印刷中)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Universal uncertainty principle in measurement operator formalism2005

    • Author(s)
      M. Ozawa
    • Journal Title

      J. Opt. B : Quantum Semiclass. Opt 7

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ancilla-assisted enhancement of channel estimation for low-noise parameters2005

    • Author(s)
      M. Hotta, T. Karasawa and M. Ozawa
    • Journal Title

      Phys. Rev. A72

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Constraints for quantum logic arising from conservation laws and field fluctuations2005

    • Author(s)
      J. Gea-Banacloche and M. Ozawa
    • Journal Title

      J. Opt. B: Quantum Semiclass. Opt. 7

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Existence of the exact CNOT on a quantum computer with the exchange interaction2005

    • Author(s)
      Y. Kawano, K. Kimura, H. Sekigawa, M. Noro, K. Shirayanagi, M. Kitagawa and M. Ozawa
    • Journal Title

      Quantum Inf. Process. 4

      Pages: 65-85

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Free analog of pressure and its Legendre transform, Comm2005

    • Author(s)
      F. Hiai
    • Journal Title

      Math. Phys. 255

      Pages: 229-252

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Equilibrium states and their entropy densities in gauge-invariant C-systems, Rev2005

    • Author(s)
      N. Akiho, F. Hiai and D. Petz
    • Journal Title

      Rev. Math. Phys 17

      Pages: 365-389

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Existence of the exact CNOT on a quantum computer with the exchange interaction2005

    • Author(s)
      Y.Kawano, K.Kimura, H.Sekigawa, M.Noro, K.Shirayanagi, M.Kitagawa, M.Ozawa
    • Journal Title

      Quant.Inf.Proc. 4

      Pages: 65-85

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Constraints for quantum logic arising from conservation laws and field fluctuations2005

    • Author(s)
      J.Gea-Banacloche, M.Ozawa
    • Journal Title

      J.Opt.B : Quantum Semiclass.Opt. 7

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Ancilla-assisted enhancement of channel estimation for low-noise parameters2005

    • Author(s)
      M.Hotta, T.Karasawa, M.Ozawa
    • Journal Title

      Phys.Rev.A 72

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Universal uncertainty principle in measurement operator formalism2005

    • Author(s)
      M.Ozawa
    • Journal Title

      J.Opt.B : Quantum Semiclass.Opt. 7

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Free analog of pressure and its Legendre transform2005

    • Author(s)
      F.Hiai
    • Journal Title

      Comm.Math.Phys. 255

      Pages: 229-252

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Equilibrium states and their entropy densities in gauge-invariant C^*-systems2005

    • Author(s)
      N.Akiho, F.Hiai, D.Petz
    • Journal Title

      Rev.Math.Phys. 17

      Pages: 365-389

    • Related Report
      2005 Annual Research Report
  • [Presentation] Quantum measurement theory : mathematical and conceptual foundations2009

    • Author(s)
      M. Ozawa
    • Organizer
      UK-Japan Quantum Information Workshop
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2009-01-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Quantum measurement theory : mathematical and conceptual foundations2009

    • Author(s)
      M. Ozawa
    • Organizer
      UK-Japan Quantum Information Workshop, British Embassy
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2009-01-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Universal uncertainty principle and conservation-law-induced quantum limits on quantum logic operations2008

    • Author(s)
      M. Ozawa
    • Organizer
      2008 International Symposium on Physics of Quantum Technology (ISPQT 2008)
    • Place of Presentation
      Nara, Japan
    • Year and Date
      2008-11-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Conservation Laws Limit Quantum Control Accuracy2008

    • Author(s)
      M. Ozawa
    • Organizer
      Qurope Workshop Quantum/Classical Control in Quantum Information : Theory and Experiments (QCCQI2008)
    • Place of Presentation
      Otranto, Italy
    • Year and Date
      2008-09-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] Protocol of Quantum Authentication with Secure Quantum Pass words2008

    • Author(s)
      M. Hotta, M. Ozawa
    • Organizer
      9th Int. Conf. Quantum Communication, Measurement and Computing (QCMC2008)
    • Place of Presentation
      Calgary, Canada
    • Year and Date
      2008-08-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Theoretical constraints on implementations of arbitrary single qubit gates under conservation laws2008

    • Author(s)
      T. Karasawa, M. Ozawa, K. Nemoto
    • Organizer
      9th Int. Conf. Quantum Communication, Measurement and Computing (QCMC2008)
    • Place of Presentation
      Calgary, Canada
    • Year and Date
      2008-08-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Quantum Energy Teleportation2008

    • Author(s)
      M. Hotta
    • Organizer
      9th Int. Conf. Quantum Communication, Measurement and Computing (QCMC2008)
    • Place of Presentation
      Calgary, Canada
    • Year and Date
      2008-08-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Uncertainty Principle, Conservation Laws, and the Size of Quantum Controllers2008

    • Author(s)
      M. Ozawa
    • Organizer
      Workshop : Osamu Hirota, A True Quantum Communications
    • Place of Presentation
      Waterloo, Canada
    • Year and Date
      2008-06-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Uncertainty Principle, Conservation Laws, and the Size of Quantum Controllers2008

    • Author(s)
      M. Ozawa
    • Organizer
      Workshop : Osamu Hirota, A True Quantum Communications, Perimeter Institute
    • Place of Presentation
      Waterloo, Canada
    • Year and Date
      2008-06-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] 保存法則によって引き起こされる単一量子ビットゲートの最小誤差の研究2008

    • Author(s)
      唐澤時代
    • Organizer
      日本物理学会
    • Place of Presentation
      大阪府東大阪市
    • Year and Date
      2008-03-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] 乗法的保存量が課す量子測定の限界について:Wigner-Araki・Yanase定理の拡張2008

    • Author(s)
      木村元
    • Organizer
      日本物理学会
    • Place of Presentation
      大阪府東大阪市
    • Year and Date
      2008-03-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] ブロードバンド光子スイッチの駆動エネルギーの原理的下限2008

    • Author(s)
      堀田昌寛
    • Organizer
      日本物理学会
    • Place of Presentation
      大阪府東大阪市
    • Year and Date
      2008-03-25
    • Related Report
      2007 Annual Research Report
  • [Presentation] 量子情報の数理:測定・論理・計算・不確定性原理2008

    • Author(s)
      小澤正直
    • Organizer
      日本数学会・日本物理学会合同講演会
    • Place of Presentation
      大阪府東大阪市
    • Year and Date
      2008-03-22
    • Related Report
      2007 Annual Research Report
  • [Presentation] Energy Cost of Entanglement Sustaining Negative Energy2008

    • Author(s)
      M. Hotta
    • Organizer
      TQC2008
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2008-01-31
    • Related Report
      2007 Annual Research Report
  • [Presentation] Pressure and its Legendre transform in microstate free entropy2008

    • Author(s)
      F. Hiai
    • Organizer
      11th Workshop "Non-commutative Harmonic Analysis with Applications to Probability"
    • Place of Presentation
      Bedlewo, Poland
    • Related Report
      2008 Annual Research Report
  • [Presentation] Mutual information and mutual pressure2008

    • Author(s)
      F. Hiai
    • Organizer
      Conference "Information and Communication, " Alfred Renyi Institute of Mathematics
    • Place of Presentation
      Budapest, Hungary
    • Related Report
      2008 Annual Research Report
  • [Presentation] Recent developments in quantum white noise theory : Stochastic integrals and transformations2008

    • Author(s)
      N. Obata
    • Organizer
      29th Conference on Quantum Probability and Related Topics
    • Place of Presentation
      Hammamet, Tunisia
    • Related Report
      2008 Annual Research Report
  • [Presentation] Free pressure, free entropy and hypothesis testing2008

    • Author(s)
      F. Hiai
    • Organizer
      Workshop on Free Probability, Extensions, and Applications
    • Place of Presentation
      Banff, Canada
    • Related Report
      2007 Annual Research Report
  • [Presentation] 時間と負エネルギーの不確定性関係が導く1次元光子スイッチの駆動に必要な最低仕事量2007

    • Author(s)
      堀田昌寛
    • Organizer
      第17回量子情報技術研究会(QIT17)
    • Place of Presentation
      岡山市
    • Year and Date
      2007-11-22
    • Related Report
      2007 Annual Research Report
  • [Presentation] Universal Uncertainty Principle and Simultaneous Measurability of Non-commuting Observables2007

    • Author(s)
      M. Ozawa
    • Organizer
      Noise Information & Complexity at Quantum Scale
    • Place of Presentation
      Erice, Italy
    • Year and Date
      2007-11-05
    • Related Report
      2007 Annual Research Report
  • [Presentation] Large deviations for certain correlated states on a spin chain2007

    • Author(s)
      F. Hiai
    • Organizer
      28th Conference on Quantum Probability and Related Topics
    • Place of Presentation
      Guanajuato, Mexico
    • Year and Date
      2007-09-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] Classification of Quantum Instruments2007

    • Author(s)
      M. Ozawa
    • Organizer
      28th Conference on Quantum Probability and Related Topics
    • Place of Presentation
      Guanajuato, Mexico
    • Year and Date
      2007-09-06
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Minimum Error Probabilities for Single Qubit Gates Constrained by Conservation Laws2007

    • Author(s)
      T. Karasawa, M. Ozawa, J. Gea-Banacloche, and K. Nemoto
    • Organizer
      Asian Conference on Quantum Information Science(AQIS2007)
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2007-09-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] Minimum Energy Pulses for Quantum Logic Cannot Be Shared2007

    • Author(s)
      J. Gea-Banacloche and M. Ozawa
    • Organizer
      CLEO/QELS and PhAST 2007
    • Place of Presentation
      Baltimore, USA
    • Year and Date
      2007-05-10
    • Related Report
      2007 Annual Research Report
  • [Presentation] From entropy to relative entropy2007

    • Author(s)
      F. Hiai
    • Organizer
      The 2007 Korea Operator Theory and Its Applications Conference(KOTAC 2007)
    • Place of Presentation
      Seoul, Korea
    • Related Report
      2007 Annual Research Report
  • [Presentation] Entropy density and free energy density: variational expressions2007

    • Author(s)
      F. Hiai
    • Organizer
      14th Conference of the International Linear Algebra Society
    • Place of Presentation
      Shanghai, China
    • Related Report
      2007 Annual Research Report
  • [Presentation] Free energy density for mean field perturbation of states of aone-dimensional spin chain2007

    • Author(s)
      F. Hiai
    • Organizer
      10th Workshop "Non-commutative Harmonic Analysis with Applications to Probability"
    • Place of Presentation
      Bedlewo, Poland
    • Related Report
      2007 Annual Research Report
  • [Presentation] Simultaneous measurability of non-commuting observables and the universal uncertainty principle2006

    • Author(s)
      M. Ozawa
    • Organizer
      8th International Conference on Quantum Communication, Measurement and Computing, (QCMC2006)
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2006-11-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Universal Uncertainty Principle and Quantum State Control"2006

    • Author(s)
      M. Ozawa
    • Organizer
      Satellite Symposium of XIIth International Congress of Quantum Chemistry Material-oriented Quantum Chemistry
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      2006-05-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Simultaneous measurability and uncertainty principle2006

    • Author(s)
      M. Ozawa
    • Organizer
      Workshop on Theory of Quantum Computation, Communication and Cryptography (TQC2006)
    • Place of Presentation
      Atsugi, Japan
    • Year and Date
      2006-02-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Operational Uncertainty Relations: Recent Development2005

    • Author(s)
      M. Ozawa
    • Organizer
      9 th International Conference on Squeezed States and Uncertainty Relations
    • Place of Presentation
      Besancon, France
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] 量子認証方法, 量子認証システム及び量子認証装置2007

    • Inventor(s)
      小澤正直, 堀田昌寛
    • Industrial Property Rights Holder
      東北大学
    • Industrial Property Number
      2007-255159
    • Filing Date
      2007-09-28
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] 制御回転ゲート, その決定装置, その決定方法, そのプログラム及びその記録媒体2006

    • Inventor(s)
      河野泰人, 小澤正直
    • Industrial Property Rights Holder
      NTT, 東北大学
    • Industrial Property Number
      2006-202080
    • Filing Date
      2006-07-25
    • Related Report
      2008 Final Research Report

URL: 

Published: 2005-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi