Foundations of Quantum Mechanics in the Light of New Technology, Proceedings of the 7th International Symposium (Isqm-Tokyo '01) Book

	Preface
	Committees
	Opening Address	1
	Welcoming Address	2
1	Decoherence and dephasing in spin-based solid state quantum computers	3
2	Quantum-state manipulations in a Cooper-pair box	12
3	Quantum state engineering and Josephson junctions: Charge and flux detectors	18
4	Multiple size quantum dots for quantum computation	24
5	Decoherences in strongly interacting qubits	28
6	Dephasing of a qubit coupled with a point-contact detector	32
7	Quantum gates in capacitively coupled quantum dots and measurement procedure	36
8	Statistical estimation of a quantum channel	40
9	High-fidelity experimental quantum teleportation and entanglement swapping	44
10	Entanglement and Bell's inequality experiments using trapped ions	48
11	Experimental realization of continuous-variable teleportation	54
12	Exactly distillable entanglement	57
13	Information extraction and quantum state distortions in continuous variable quantum teleportation	61
14	Continuous variable teleportation of single photon states	65
15	Quantum information transfer without an external channel	68
16	Quantum information transfer using a time-dependent boundary condition	72
17	A detailed analysis on the fidelity of quantum teleportation using photons	76
18	Holevo bound for classical information transmitted through entangled states	80
19	Entanglement manipulation with atoms and photons in a cavity	85
20	Generation of single photons and entangled photon pairs from a quantum dot	91
21	Twin photon beams for single photon generation	98
22	Measurement of the photonic de Broglie wavelength of parametric down-converted photons using a Mach-Zehnder interferometer	104
23	Exciton-photon interaction for a high-exciton-density quantum well placed in a microcavity	108
24	Qubit-state generation using projection synthesis	112
25	Quantized vortices in a Bose-Einstein condensate	116
26	Vortex excitations in a Bose-Einstein condensate
27	Collapsing dynamics of trapped Bose-Einstein condensates with attractive interactions	128
28	Criterion for Bose-Einstein condensation in a trap	132
29	Giant quantum reflection of neon atoms from silicon surface	138
30	A dc Stark free atom interferometer having two arms with different Zeeman sublevels for measurement of the Aharonov-Casher effect	144
31	Atomic multiple-beam interferometer phase-shifted by the multiple magnetic pulse fields	148
32	Effects of decoherence on entangled atomic wave functions in microcavities	152
33	Quantum theory of continuous-wave atom laser by non Born-Markov approach	156
34	Environmental effects on quantum reversal of mesoscopic spins	161
35	Resistance of geometrically confined magnetic domain wall
36	Bloch oscillation of a magnetic domain wall	178
37	Magnetic structures and transport properties in ferromagnetic tunneling junction	182
38	Ferromagnetic and anti-ferromagnetic reconstruction in semiconductor quantum dots	186
39	A single-photon detector in the far-infrared range	191
40	Correlation effects on Josephson current through one-dimensional Josephson junction arrays	197
41	Superconductor-insulator transition in one- and two-dimensional arrays of dissipative small Josephson junctions	201
42	Quantized conductance of gold nanowire studied by UHV-electron microscope with STM	205
43	Atomic-scale structures fabricated on a hydrogen-terminated Si surface	211
44	Nanometer-scale fabrication using scanning probe lithography	215
45	Spectral structure of quantum line with a defect	219
46	Quantum transport in two-dimensional electron gas in ultra-short period lateral superlattices	223
47	Transport properties through atomic-size point contacts of multi-band metals	229
48	Enhanced tunnel magnetoresistance in ferromagnetic single electron transistor	233
49	Observation-dependent decoherence in an Aharonov-Bohm ring	237
50	Oscillation phenomena in high energy physics: CP violation in B-meson decays and long baseline neutrino oscillation	241
51	Dynamic observation of vortices in high-T[subscript c] superconductors	247
52	Precision optical frequency metrology using pulsed lasers	253
53	Interferometric gravitational wave detector in Japan	259
54	Observation of Hanbury Brown-Twiss correlations for free electrons	265
55	Jamin-type interferometer for cold neutrons using etalon plates	269
56	Proposition of a nanoscale collider experiments to examine the loss of visibility due to entanglement	273
57	Quantum information aspect of black hole	276
58	Decoherence of anomalously-fluctuating states of finite macroscopic systems	279
59	A coarse-grained position operator and decoherence in macroscopic systems	283
60	Entanglement of an assembly of N identical two level atoms	287
61	Neutron scattering by entangled spatial and spin degrees of freedom	291
62	Short-lived proton entanglement in yttrium hydrides	295
63	Short-lived quantum entanglement of protons and dissociation of C-H bonds in condensed matter - a new effect	299
64	Is it possible to determine the time when the Aharonov-Bohm effect occurs	303
65	The WKB method, complex-valued classical trajectories and weak measurements	307
66	Decoherent parameters in correlated two neutral kaon systems	311
	Closing ISQM-Tokyo '01	315
	List of participants	316
	Author Index	329