Quantum Computing and Quantum Bits in Mesoscopic Systems

Front Matter....Pages i-ix
When is a Quantum-Mechanical System “Isolated”?....Pages 1-11
Manipulation and Readout of a Josephson Qubit....Pages 13-21
Aharonov-Casher Effect Suppression of Macroscopic Flux Tunneling....Pages 23-30
Squid Systems in View of Macroscopic Quantum Coherence And Adiabatic Quantum Gates....Pages 31-40
Test Of An rf-Squid System With Stroboscopic One-Shot Readout Under Microwave Irradiation....Pages 41-45
Squid Rings As Devices for Controlling Quantum Entanglement and Information....Pages 47-57
Manipulating Quantum Transitions in A Persistent Current Qubit....Pages 59-67
Vortices In Josephson Arrays Interacting With Nonclassical Microwaves In A Dissipative Environment....Pages 69-76
Realization Of Universal Quantum Cloning and of the Not Gate by Optical Parametric Amplification....Pages 77-85
New Quantum Nanostructures....Pages 87-94
Transport Investigations of Chemical Nanostructures....Pages 95-99
Long-Range Coherence in Bose-Einstein Condensates....Pages 101-109
A Simple Quantum Equation for Decoherence through Interaction with the Environment....Pages 111-122
Searching for A Semiclassical Shor’s Algorithm....Pages 123-131
Low T c Josephson Junction Response to an Ultrafast Laser Pulse....Pages 133-138
Influence of the Measurement Process on the Step Width in the Coulomb Staircase....Pages 139-148
Josephson Junction Triangular Prism Qubits Coupled to A Resonant LC Bus....Pages 149-159
Incoherent and Coherent Tunneling of Macroscopic Phase in Flux Qubits....Pages 161-169
Decoherence In Flux Qubits Due to 1/f Noise in Josephson Junctions....Pages 171-184
Zeeman Splitting in Quantum Dots....Pages 185-191
Gate Errors in Solid-State Quantum Computer Architectures....Pages 193-199
Quantum Computing with Electron Spins in Quantum Dots....Pages 201-209
Relation Between Dephasing and Renormalization Phenomena in Quantum Two-Level Systems....Pages 211-218
Superconducting Quantum Computing Without Switches....Pages 219-227
Scalable Architecture for Adiabatic Quantum Computing of Np-Hard Problems....Pages 229-236
Semiclassical Analysis of 1/ f Noise in Josephson Qubits....Pages 237-245
Solid-State Analog of an Optical Interferometer....Pages 247-253
Single Electron Transistors with Al/AlO x /Nb and Nb/AlO x /Nb Junctions....Pages 255-262
Time-Local Master Equations: Influence Functional and Cumulant Expansion....Pages 263-271
Back Matter....Pages 273-273