March 1-4, 2004

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Symposium Program

  • Oral Presentaion:
  • Poster Presentaion:

  • February 29th, Sunday
    17:00 Registration starts in Royal Park Hotel Atsugi
    18:00 Welcome Party (in Royal Park Hotel Atsugi)
    March 1st, Monday
    8:00 Bus leaves Royal Park Hotel Atsugi for NTT BRL
    8:10 Bus leaves Atsugi Urban Hotel for NTT BRL
    8:30 Registration starts at NTT BRL
    9:00-9:20 Opening
    Plenary Session Chairman (J.Clarke)
    9:20-10:00 Plenary Session Mo1 Coherence in Josephson Phase Qubits J. Martinis NIST, USA
    10:00-10:30 coffee break
    Coherence Phenomena with Josephson Junctions and Photon Chairman (P. Delsing)
    10:30-11:00 Mo2 New Measurements on Superconducting Flux Qubits J. Mooij TU Delft, The Netherlands
    11:00-11:30 Mo3 Parity-Affected Persistent Currents in Superconducting Nanorings A. Zaikin Forschungszentrum Karlsruhe, Germany
    11:30-12:00 Mo4 Josephson arrays as quantum channels R. Fazio Scuola Normale Superiore, Italy
    12:00-12:30 Mo5 Influence of thermal fluctuation on an underdamped Josephson tunnel junction F. Hekking LPMMC-CNRS, France
    12:30-13:00 M06 Quantum Information Processing with Photons N.Imoto The Graduate University for Advanced Studies, Japan
    13:00-14:00 Lunch(prepared)
    Entanglement in Solid State Systems Chairman (R.Fazio)
    14:00-14:30 Mo7 Orbital entanglement and violation of Bell inequalities in mesoscopic conductors M. Büttiker University of Geneva, Switzerland
    14:30-15:00 Mo8 Quantum bistability, Peierls, and spontaneous persistent currents in mesoscopic Aharonov-Bohm loops I. Kulik Bilkent University, Turkey
    15:00-15:20 Mo9 Andreev Interferemetry with Superconducting Phase Qubit V. Petrashov University of London, UK
    15:20-16:00 coffee break
    Coherent Vortices in Superconducting Systems Chairman (I.Kulik)
    16:00-16:20 Mo10 A Superconducting Reversible Vortex Diode That Controls the Motion of Magnetic Flux Quanta F. Nori RIKEN, Japan and University of Michigan, USA
    16:20-16:40 Mo11 Stability of Vortex-Antuvortex Molecules in Mesoscopic Superconducting Triangles V.R. Misko RIKEN, Japan and Universiteit Antwerpen, Belgium
    16:40-17:00 Mo12 Superconducting Network with Magnetic Decoration -Hofstadter Butterfly in Spatially Modulated Magnetic Field- Y. Iye University of Tokyo, Japan
    17:00-18:00 Short Lab. Tour
    18:00-20:00 Poster Viewing
    March 2nd, Tuesday
    Quantum Information and Algorithms I Chairman (M. Kitagawa)
    9:00-9:30 Tu1 Quantum Query Complexities K. Iwama Kyoto University, Japan
    9:30-10:00 Tu2 Building superconducting quantum computers S. Lloyd MIT Mechanical Engineering, USA; RIKEN, Japan
    10:00-10:30 coffee break
    Quantum Information and Algorithms II Chairmann (N. Kunihiro)
    10:30-10:50 Tu3 Non stabilizer Clifford codes with qupit M. Hagiwara University of Tokyo, Japan
    10:50-11:10 Tu4 Quantum pushdown automata that can deterministically solve a certain problem Y. Murakami Nara Institute of Science and Technology, Japan
    11:10-11:30 Tu5 Detection of Entanglement in NMR Quantum Information Processing R. Rahimi Osaka University, Japan
    11:30-11:45 coffee break
    Semiconductor Spintronics I Chairman (S.Nomura)
    11:45-12:15 Tu6 Spin Excitations in Low-dimensional Electron Gases Studied by Far-infrared Photoconductivity Spectroscopy C.-M. Hu University of Hamburg, Germany
    12:15-12:45 Tu7 Control of photogenerated carriers and spins using surface acoustic waves P. Santos Paul Drude Institüt für Festkörperelektronik, Germany
    12:45-14:00 Group photo Lunch(Prepared)
    Semiconductor Spintronics II Chairman (J.Nitta)
    14:00-14:30 Tu8 Manipulation of ferromagnetism in magnetic semiconductors H. Ohno RIEC, Tohoku university, Japan
    14:30-15:00 Tu9 Ferromagnetic Heterostructures for Spintronics M. Tanaka University of Tokyo, Japan
    15:00-15:30 Tu10 PbTe nanostructures for spin filtering and detection G. Grabecki Institute of Physics PAS, Warsaw,Poland
    15:30-16:00 coffee break
    Spin Manipulation Chairman (P.Lindelof)
    16:00-16:20 Tu11 Controlling Decoherence of Transported Quantum Spin Information in Semiconductor Spintronics B. Nikolic University of Delaware, USA
    16:20-16:40 Tu12 Gate Control of Electron Spin and Spin related transport in Semiconductor/Ferromagnet Hybrid structure J. Nitta NTT Basic Labotatories, Japan
    16:40-17:00 Tu13 Toward Tunable Magnetism in Quantum Dot Devices H. Tamura NTT Basic Labotatories, Japan
    17:00-17:20 Tu14 Single-shot readout of single electron spin states in quantum dot qubit L. van Beveren TU Delft, The Netherlands
    17:20-17:40 Tu15 Kondo effect in quantum dots coupled to ferromagnetic leads J. Martinek Institut fur Theoretische Festkorperphysik, Universitat Karlsruhe,Germany
    18:00-20:00 Poster Viewing
    March 3rd, Wednesday
    Spin New Phenomena Chairman (B.van.Wees)
    9:00-9:30 We1 Quantum Criticality in a Quantum Dot Device L. Glazman University of Minnesota, USA
    9:30-10:00 We2 Spin Hall Effect in p-type Semiconductors S. Murakami University of Tokyo, Japan
    10:00-10:30 We3 Spin electronics in the two-dimensional electron gas and related systems J. Schliemann University of Basel, Switzerland
    10:30-10:50 coffee break
    Spin Injection Chairman (Y.Tanaka)
    10:50-11:20 We4 Hybrids of Carbon nanotubes and Semiconductor heterostructures P. Lindelof University of Copenhagen, Denmark
    11:20-11:50 We5 Spin injection, transport and spin manipulation in hybrid mesoscopic metallic systems B. van Wees University of Groningen, The Netherlands
    11:50-12:20 We6 Spin Injection in F/N(S)/F Structures V. Korenivski Nanostructure Physics, Sweden
    12:20 Excursion & Banquet
    13:00- Excursion & Banquet
    March 4th, Thursday
    Superconducting Qubits I Chairman (B.Altshuler)
    9:00-9:30 Th1 Flux Qubits: Readout, Hot Electrons and Adjustable Coupling J. Clarke University of California, USA
    9:30-10:00 Th2 Quantum coherent oscillations in a chargequbit P. Delsing Chalmers University of Technology, Sweden
    10:00-10:30 Th3 Theory of charge transport in diffusive normal metal / unconventional superconductor junctions Y. Tanaka Nagoya University, Japan
    10:30-10:50 Th4 Superconducting Flux Qubit as a Macroscopic Artificial Atom H. Takayanagi NTT Basic Research Laboratories, Japan
    10:50-11:10 coffee break
    Superconducting Qubits II Chairman (K.Semba)
    11:10-11:40 Th5 Qubit decoherence by low-frequency noise D. Averin Stony Brook University SUNY, USA
    11:40-12:10 Th6 Energy relaxation time of rf SQUID flux qubits S. Han University of Kansas, USA
    12:10-12:40 Th7 Experimental evidence for entangled state of two coupled flux qubits A. Zagoskin D-Wave Systems Inc. and the University of British Columbia, Canada
    12:40-13:00 Th8 Triplet Superconductors: Exploitable Basis for Scaleable Quantum Computing K. Wood Naval Research Laboratory, USA
    13:00-14:00 Lunch(Prepared)
    Entanglement and Decoherence in Superconducting Qubits Chairman (H.Takayanagi)
    14:00-14:30 Th9 Low-frequency Noise as a Source of the Dephasing of a Qubit B. Altshuler Princeton University, USA and NEC Laboratories, Japan
    14:30-15:00 Th10 Electron spin teleportation current through a quantum dot array operating in the stationary regime T. Martin Universite de la Mediterranee, France
    15:00-15:20 Th11 Decoherence effects due to telegraph and 1/f noise and dynamical decoupling control E. Paladino DMFCI, Universita' di Catania, Italy
    15:20-15:50 coffee break
    Quantum Operation in Mesoscopic Superconductors Chairman (T.Martin)
    15:50-16:20 Th12 Coherent oscillations in a solid state multi-level quantum system O. Buisson CRTBT-CNRS, France
    16:20-16:50 Th13 Coupled superconducting qubits S. Tsai NEC Fundamental Research Labs, Japan and RIKEN, Japan
    16:50-17:20 Th14 Operation of a solid state quantum bit: Quantronium II D. Vion CEA-SACLAY, France

    Poster Presentation:
    March 1st, Monday <18:00-20:00>
    No. Title Main Presenter Affiliation
    PMo-1 Spin diffusion in mesoscopic superconducting Al wires Yun-Sok Shin Pohang University of Science and Technology, South Korea
    PMo-2 Current Noise in Y-shaped Mesoscopic Conductors S. Yip Inst. of Physics, Academia Sinica, Taiwan
    PMo-3 Ultraefficient microrefrigerators realized with ferromagnet-superconductor junctions F. Giazotto NEST-INFM & Scuola Normale Superiore, Italy
    PMo-4 Experimentally realizable devices for controlling the motion of magnetic flux quanta in anisotropic superconductors S. Savel'ev RIKEN, Japan
    PMo-5 Force-free current-induced reentrant melting of the vortex lattice in superconductors S. Savel'ev RIKEN, Japan
    PMo-6 Resonances in a SQUID Ratchet Driven by Two Frequencies S. Savel'ev RIKEN, Japan.
    PMo-7 Paramagnetic and Glass States in Superconductive YBa2Cu4O8 Ceramics of Sub-micron Scale Grains H. Deguchi Kyushu Institute of Technology, Japan
    PMo-8 Vortex states in mesoscopic superconducting disks A. Kanda Institute of Physics, University of Tsukuba, Japan
    PMo-9 Nonequilibrium Quasi-Particle Transport in Narrow Superconducting Wires R. Yagi ADSM, Hiroshima University, Japan
    PMo-10 Energy dependence of current noise in superconducting/normal metal junctions F. Pistolesi LPM2C-CNRS, France
    PMo-11 Current-current correlations in hybrid superconducting and normal metal multiterminal structures F. Pistolesi LPM2C-CNRS, France
    PMo-12 Hysteretic optical Overhauser effect in GaAs (110) quantum well H.Sanada RIEC, Tohoku university, Japan
    PMo-13 Controllable step motors and rectifiers of magnetic flux quanta using periodic arrays of asymmetric pinning defects F. Nori RIKEN, Japan and The University of Michigan, USA
    PMo-14 Guidance of Vortices and Vortex Ratchet Effect in High-Tc Superconducting Thin Films with Special Arrangements of Antidots V. R. Misko Digital Materials Lab., FRS, RIKEN
    PMo-15 Optical band edge of II-VI and III-V based diluted magnetic semiconductors M. Takahashi Kanagawa Institute of Technology, Japan
    PMo-16 Spin-Polarized Transport Properties through Double Quantum Dots Y. Tanaka Osaka University, Japan
    PMo-17 Weak Localization and Spin Splitting in Inversion Layers on p-type InAs C. Schierholz University of Hamburg, Germany and NTT BRL, Japan
    PMo-18 Direct Observation of 29Si Nuclear-Spin Decoherence Process S. Sasaki Niigata University, Japan
    PMo-19 Indirect Exchange Interaction between two Quantum Dots in an Aharonov-Bohm Ring Y. Utsumi Max Planck Institute of Microstructure Physics, Germany
    PMo-20 Interface Effect on Spin-Orbit Interaction in InAlAs/InGaAs/InP Systems Y. Lin NTT Basic Research Laboratories, Japan
    PMo-21 Spin polarization in a two-dimensional electron gas modulated by a ferromagnetic stripe and a Schottky stripe H. Xu Lund University, Div. of Solid State Physics, Sweden
    PMo-22 Electron-spin manipulation in vertical quantum dots - experimental progress - W. van der Wiel PRESTO-JST, Tokyo University, Japan and TU Delft, The Netherlands
    PMo-23 Magnetic properties of Mn, Cr and V implanted GaN. N. Thillosen Institute of Thin films and Interfaces (ISG1), Research Center Juelich, Germany
    PMo-26 Fast Switching current detection at low critical currents D.B.Haviland Nanostructure Physics, Royal Institute of Technology, Sweden
    PMo-27 Quantum Properties of Single-Domain Triplet Superconductors A. Gulian PAF/Naval Research Laboratory, USA
    PMo-28 Quantum computation with SQUID-qubits using a current-biased information bus L. Wei RIKEN, Japan
    PMo-29 Macroscopic quantum entanglement in coupled charge qubits J. You RIKEN, Japan
    PMo-30 Long-range inductive coupling between flux qubits J. You RIKEN, Japan
    PMo-31 Generation of nonclassical photon states using a superconducting qubit in a microcavity Y. Liu RIKEN, Japan
    PMo-33 An Explicit Construction of One-Way Permutations for Constant-Depth Quantum Circuits Y. Takahashi NTT Communication Science Laboratories, Japan
    PMo-34 Entangled state analysis for one-dimensional quantum spin system:Singularity at critical point A. Kawaguchi NTT Basic Research Laboratories, Japan
    PMo-35 Symmetry breaking in distributed computing with prior shared cat states S. Tani NTT Communication Science Laboratories, Japan
    PMo-36 Trading Classical for Quantum Computation Using Indirection R. Van Meter Keio University, Japan
    PMo-37 Quantum Bit Commitment Robust against Noise and Multiple-photons M. Nakane The University of Tokyo, Japan
    PMo-38 Kondo effect in quantum dots with two orbitals and spin 1/2---crossover from SU(4) to SU(2) symmetry--- M. Eto Keio University, Japan
    PMo-39 Many-Body Effects on Tunneling of Electrons in Magnetic-Field-Induced Quasi One-Dimensional Systems in Quantum Wells T. Kubo Tokyo University of Science, Japan
    PMo-40 Electron Transport in 2DEG Narrow Channel under Gradient Magnetic Field M. Hara University of Tokyo, Japan
    PMo-41 One-dimensional Correlated Electrons in Suspended Carbon Nanotubes W. Izumida Tohoku University, Japan
    PMo-42 Theoretical study on quantum phenomena of a single electron wave-packet injected into the mesoscopic device having an elliptic form T. Koiso Waseda University, Japan
    PMo-43 Transport properties of a quantum wire with a side-coupled quantum dot M. Yamaguchi NTT Basic Research Laboratories, Japan
    PMo-45 Piezoresistive InAs/AlGaSb Micromechanical 2DEG Cantilevers H. Yamaguchi NTT Basic Research Laboratories, Japan

    Poster Presentation:
    March 2nd, Tuesday <18:00-20:00>
    No. Title Main Presenter Affiliation
    PTu-1 Josephson Current in dirty SNS Junctions of Unconventional Superconductors Y. Asano Hokkaido University, Japan
    PTu-2 Cooper Pair Transistor in a high impedance environment S. Corlevi Nanostructure Physics, Sweden
    PTu-3 Andreev interferometry for pumped currents F. Taddei NEST-INFM & Scuola Normale Superiore, Italy
    PTu-4 THz Josephson Oscillations in Grain boundary YBaCuO Junctions on Symmetric, Tilted c-axis Al2O3 Bi-crystal Substrates T. Claeson Chalmers University of Technology, Sweden
    PTu-5 Circuit Theory Analysis of ab-Plane Tunnel Junctions of Unconventional Superconductor Bi2Sr2CaCu2O8+d I. Shigeta Kumamoto National College of Technology, Japan
    PTu-6 Transport Properties of Normal Metal/Anisotropic Superconductor Junctions in the Eutectic system Sr2RuO4-Ru M. Kawamura RIKEN, Japan
    PTu-7 Macroscopic Quantum Tunneling in d-wave Superconductor Josephson Junction S. Kawabata National Institute of Advanced Industrial Science and Technology, Japan
    PTu-8 Uniqueness of proximity-induced superconductivity in carbon nanotubes J. Haruyama Aoyama Gakuin University, Japan
    PTu-9 Influence of the transport supercurrent on Josephson effect S. Shevchenko Institute for Low Temperature Physics and Engineering, Ukraine
    PTu-10 I-V characteristic in superconducting mesoscopic aluminum structures K. Enomoto National Institute for Materials Science, Japan
    PTu-11 Quantum Phase for a Finite Superconductor Z. Gedik Sabanci University, Turkey
    PTu-12 Quasiparticle spin states of high-Tc superconductors observed by magnetic field tunneling spectroscopy S. Kashiwaya AIST, Japan
    PTu-13 Magnetization processes revealed by in-plane dc magnetoresistance measurements on manganite bicrystal thin film devices R. Gunnarsson Chalmers University of technology, Sweden
    PTu-14 Josephson current through spin-polarized Luttinger liquid N. Yokoshi Waseda University, Japan
    PTu-15 Giant tunneling magnetoresistance in a heterojunction of a diluted magnetic semiconductor (Ga,Mn)As and a two-dimensional hole system S. Katsumoto University of Tokyo, Japan
    PTu-16 Epitaxially Grown Mn Based Metallic Compounds on GaAs A. Jensen Technical University of Denmark, Denmark
    PTu-17 Spin Induced Dephasing in a 2-Dimensional Electron Gas with Strong Rashba Spin-Orbit Interaction. F. Meijer TU Delft, The Netherlands
    PTu-18 Diffusion Modes of the Transport in Diluted Magnetic Semiconductors I. Kanazawa Tokyo Gakugei University, Japan
    PTu-19 Detecting spin polarization of electrons in quantum dot edge channels by photoluminescence S.Nomura University of Tsukuba/CREST, Japan
    PTu-20 Effect of a invasive voltage probe on the spin polarized current J. Ohe Sophia University, Japan
    PTu-21 Spin interferometer using the Rashba spin-orbit interaction Y. Sekine NTT Basic Research Laboratories, Japan
    PTu-22 Optimizing Exchange Control in a Double Dot System M. Stopa ERATO-JST, Japan
    PTu-23 Capacitance Determination of nm scale Josephson Junctions: dc SQUID Resonant Voltage Step Analysis vs. Qubit Microwave Spectroscopy F. Deppe NTT Basic Research Laboratories, Japan
    PTu-24 Asymmetric flux bias for coupled qubits to observe entangled states Y. Shimazu Yokohama National University, Japan
    PTu-25 Twisted RKKY interaction in presence of Rashba spin-orbit coupling H.Imamura Tohoku Univercity, Japan
    PTu-26 Interaction of Josephson qubits with strong QED cavity modes:dynamical entanglement transfer and navigation G. Falci Dipartimento di Metodologie Fisiche e Chimiche, Italy
    PTu-27 Decoherence and dephasing in multilevel systems interacting with thermal environment K. Savran Bilkent University, Turkey
    PTu-28 Control of quantum states in three Josephson junction ring H. Tanaka NTT Basic Research Labs., Japan
    PTu-29 NP-completeness of the Initial Arrangement of Qubits Y. Kawano NTT Communication Science Labs., Japan
    PTu-30 Quantum algorithm to search for a near-optimal solution using the partial observation M. Oto NTT Communication Science Laboratories,Japan
    PTu-31 Reversibility of Modular Squaring N. Kunihiro The Univerity of Electro-Communications, Japan
    PTu-32 Dynamical Entropy of Quantum Spin Systems T. Miyadera Tokyo University of Science, Japan
    PTu-33 Multiple Qubit Logical Gates Realized on the lsing Chain M. Asano Faculty of Tokyo University of Science, Japan
    PTu-34 Study of proximity effect at d-wave superconductors in quasiclassical methods Y. Tanuma Kanagawa University, Japan
    PTu-35 Transport Studies of Single InAs and GaAs Quantum Wires A. Wirthmann Institut fuer Angewandte Physik, Germany
    PTu-36 Strong coupling branching of FQHL edge states. V. Ponomarenko SUNY, USA
    PTu-37 Thermoelectric properties of a charge-density-wave system H. Yoshimoto Waseda University, Japan
    PTu-38 Electrical pump and probe measurement of the spin relaxation time in a lateral quantum dot S. Sasaki NTT BRL, Japan
    PTu-39 Quantum Tunneling of relativistic fluxons N. Hatakenaka Hiroshima University, Japan
    PTu-40 Electron-density dependence of photoluminescence from Be-delta-doped GaAs quantum wells with a back gate D. Sato NTT Basic Research Laboratories, Univ. of Tskuba, CREST-JST, Japan