Quantum Communication, Computing, and Measurement

1. Quantum Computing

   1. Unitary Dynamics for Quantum Codewords

      • Asher Peres

      Pages 171-179

   2. Quantum Error Correction with Imperfect Gates

      • A. Yu. Kitaev

      Pages 181-188

   3. Eliminating the Effects of Spontaneous Emission in Quantum Computations with Cold Trapped Ions

      • C. D’Helon, G. J. Milburn

      Pages 189-194

   4. Integrability and Computability in Simulating Quantum Systems

      • K. Umeno

      Pages 195-201

   5. Slowing Down the Decoherence of Quantum Bits

      • P. Tombesi, D. Vitali

      Pages 203-211

   6. Quantum Capacity of Noisy Quantum Channel

      • Masanori Ohya, Noboru Watanabe

      Pages 213-220

2. Quantum Measurement Theory and Statistical Physics

   1. Front Matter

      Pages 221-221

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   2. On Covariant Instruments in Quantum Measurement Theory

      • A. S. Holevo

      Pages 223-232

   3. Quantum State Reduction and the Quantum Bayes Principle

      • Masanao Ozawa

      Pages 233-241

   4. On the Quantum Theory of Direct Detection

      • A. Barchielli

      Pages 243-252

   5. Homodyning as Universal Detection

      • Giacomo Mauro D’Ariano

      Pages 253-264

   6. Resolutions of the Identity in Terms of Line Integrals of Coherent States and Their Use for Quantum State Engineering

      • A. Vourdas

      Pages 265-268

   7. Unitary Control Process for Quantum Optimum Detection

      • Masahide Sasaki, Osamu Hirota

      Pages 269-277

   8. Quantum Zeno Effect and “Domination” of the Temporal Evolution of Quantum Systems

      • S. Pascazio

      Pages 279-287

   9. Physical Interpretation of Optimum Quantum Detection Operators

      • R. Momose, M. Sasaki, O. Hirota

      Pages 289-297

   10. Generalised Uncertainties for Quantum Signal Processing

       • Dorje C. Brody, Bernhard K. Meister

       Pages 299-307

   11. Optimal Quantum Measurements for Phase Estimation in Interferometry

       • B. C. Sanders, G. J. Milburn, Zhongxi Zhang

       Pages 309-315

   12. Hypersensitivity to Perturbation: An Information-Theoretical Characterization of Classical and Quantum Chaos

       • Rüdiger Schack, Carlton M. Caves

       Pages 317-330

   13. A Topological Approach to Phase of Quantum Chaos

       • Mikito Toda

       Pages 331-337

   14. Subdynamics Through Time Scales and Scattering Maps in Quantum Field Theory

       • Ludovico Lanz, Olaf Melsheimer, Bassano Vacchini

       Pages 339-353

This volume contains the proceedings of the Third International Conference on Quantum Communication and Measurement. The series of international conferences on quantum communication and measurement was established to encourage scientists working in the interdisciplinary research fields of quantum communication science and technology. The first such conference, organized by C. Benjaballah and O. Hirota under the title "Quantum Aspects of Optical Communication," assembled approximately 80 researchers in Paris in 1990. The second conference, held in Nottingham in 1994, was organized by V. P. Belavkin, R. L. Hudson, and O. Hirota and attracted about 130 participants from 22 countries. The present conference, organized by O. Hirota, A. S. Holevo, C. M. Caves, H. P. Yuen, and L. Accardi, was heldSeptember 25-30, 1996, in Fuji-Hakone Land, Japan, andjnvolved about 120 researchers from 15 countries. The topics at this third conference included the foundations of quantum communi­ cation and information theory, quantum measurement theory, quantum cryptography and quantum computation, quantum devices and high-precision measurements, gener­ ation of nonclassical light, and atom optics. Special emphasis was placed on bringing together research workers in experimental and engineering fields of quantum commu­ nication and quantum computing and theoreticians working in quantum measurement and information theory. Nineteen plenary and parallel sessions and one poster ses­ sion were organized, at which a total of 82 papers were presented. Interesting and stimulating scientific discussions took place between and after sessions as well as in the evenings.

• coherence
• decoherence
• dynamics
• entropy
• quantum information
• quantum theory
• statistical physics

• Tamagawa University, Machida, Tokyo, Japan

  O. Hirota

• Steklov Mathematical Institute, Moscow, Russia

  A. S. Holevo

• University of New Mexico, Albuquerque, USA

  C. M. Caves

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