International Conference

Quantum Information 2003

-- mathematical, physical engineering and industrial aspects --

Program of ICQI03TUS (Tokyo)

November 1, 2003 (Saturday)

9:30 - 10:00 Opening Address

Rector of TUS (Tokyo University of Science)

Representative of the Italian Embassy

Session I. (10:00 - 12:05) Chairman :

10:00 - 10:35 Giulio Casati (Universita di Como, Italy)

Fidelity decay in classical and quantum systems

10:35 - 11:10 Hideaki Takayanagi (NTT, Japan)

Readout of the flux Qubit state with a dc-SQUID

11:10 - 11:30 Coffee break

11:30 - 12:05 Rainer Blatt (Innsbruck University, Austria)

Realization of the Cirac-Zoller CNOT gate operation with trapped Ca+ ions

12:05 - 13:10 Lunch break

13:10 - 13:40 Poster Session

Session II. (13:40 - 14:50) Chairman :

13:40 - 14:15 Andrzej Kossakowski (University of Copernicus, Poland)

Positive maps and separable states

14:15 - 14:50 E.C.G. Sudarshan (Texas University, U.S.A.)

Group theory of dynamical maps

14:50 - 15:10 Coffee break

Session III. (15:10 - 16:15) Chairman :

15:10 - 15:45 Tadashi Toyoda (Tokai University, Japan)

Exact relations in quantum many-body problems

15:45 - 16:15 Tsuyoshi Yamamoto (NEC, Japan)

Quantum coherence and gate operation in coupled-superconducting qubits

16:15 - 16:30 Coffee break

Session IV. (16:30 - 18:00) Chairman :

16:30 - 17:00 Paolo Facchi (University of Bari, Italy)

Quantum Zeno and inverse Zeno effect

17:00 - 17:30 Kentaro Imafuku (University of Tokyo, Japan)

Commutative double encryption with noncommutative operation

17:30 - 18:00 Masanari Asano and Chikara Ishii (Tokyo University of Science, Japan)

Logical operations realized on the Ising chain of N qubits

November 2, 2003 (Sunday)

Session I. (9:30 - 10:50) Chairman :

9:30 - 10:05 Takeyuki Hida (Meijo University, Emeritus Professor of Nagoya University, Japan)

Some of future directions of white noise theory

10:05 - 10:40 Ennio Arimondo (Pisa University, Italy)

Bose-Einstein condensates in optical lattices and quantum information

10:40 - 11:00 Coffee break

Session II. (11:00 - 12:50) Chairman :

11:00 - 11:35 Giuseppe Castagnoli (ELSAG SpA, Italy)

The Elsag quantum cryptographic programme

11:35 - 12:10 Artur Ekert (University of Cambridge, UK)

Quantum cryptography revisited

12:10 - 13:10 Lunch break

13:10 - 13:40 Poster Session

13:40 - 14:15 Viacheslav Belavkin (University of Nottingham, UK)

TBA

14:15 - 14:50 Nobuyuki Imoto (Sougou Kenkyu University, Japan)

Entanglement manipulation by photonic quantum-information processing

14:50 - 15:10 Coffee break

Session III. (15:10 - 16:10) Chairman :

15:10 - 15:40 Saverio Pascazio (University of Bari, Italy)

Mesoscopic intereference

15:40 - 16:10 Akira Shimizu (University of Tokyo, Japan)

Macroscopically entangled states

16:10 - 16:30 Coffee break

Session IV. (16:30 - 17:30) Chairman :

16:30 - 17:00 Masanori Ohya (Tokyo University of Science, Japan)

TBA

17:00 - 17:30 Luigi Accardi (University of Roma Torvergata, Italy)

TBA

Session VI. (17:40 - 18:40) Chairman :

17:40 - 18:40 Round Table

19:00 - 21:00 Conference Banquet at the Morito Memorial Hall

November 3, 2003 (Monday)

Session I. (9:30 - 10:40) Chairman :

9:30 - 10:05 Anton Zeilinger (University of Wien, Austria)

Quantum entangelemnt, purification, and linear-optics quantum gates with photonic qubits

10:05 - 10:40 Ioannis Antoniou (International Solvay Institutes for Physics and Chemistry in Brussels, Belgium)

Non-integrability and irreversibility

10:40 - 11:00 Coffee break

Session II. (11:00 - 12:10) Chairman :

11:00 - 11:35 Masuo Suzuki (Tokyo University of Science, Japan)

On concepts of knowledge, information and entropy

11:35 - 12:10 Pavel Exner (Czech Technical University, Prague, Czechia)

Resonance effects in leaky nanostructures

12:10 - 13:10 Lunch break

13:10 - 13:40 Poster Session

Session III. (13:40 - 14:50) Chairman :

13:40 - 14:15 Masanao Ozawa (Tohoku University, Japan)

New formulation of uncertainty principle for joint measurements

14:15 - 14:50 Wolfgang Freudenberg (Brandenburgische Technische Universitaet Cottbus, Germany)

Logical gates realized by beam splittings

14:50 - 15:10 Coffee break

Session IV. (15:10 - 16:20) Chairman :

15:10 - 15:45 Hiromichi Nakazato (Waseda University, Japan)

Purification and entanglement distillations

15:45 - 16:20 Rosario Fazio (Scuola Normale Superiore, Pisa, Italy)

Entanglement in spin chains

16:20 - 16:40 Coffee break

Session V. (16:40 - 17:50) Chairman :

16:40 - 17:15 Giuliano Benenti (I.N.F.M. Sezione di Como, Italy)

Localization and entanglement in quantum computing of complex systems

17:15 - 17:50 Noboru Watanabe (Tokyo University of Science, Japan)

On quantum mutual entropy and capacity

17:50 - 18:00 Closing Address