Titlebook: Quantum Computing and Quantum Bits in Mesoscopic Systems; A. J. Leggett,B. Ruggiero,P. Silvestrini Book 2004 Springer Science+Business Med

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Low Tc Josephson Junction Response to an Ultrafast Laser Pulse,veraged out, two characteristic time scales arise in the Josephson current. The first is related to the pair breaking time . /Δ.. while the second is related to the pulse duration. The latter marks the time scale for oscillations in the envelope function of the Josephson current.

Gratuitous

ields of physics, mathematics, and engineering: both theoretical and applied. .Quantum Computing and Quantum Bits in Mesoscopic Systems. addresses fundamental aspects of quantum physics, enhancing the connection between the quantum behavior of macroscopic systems and information theory. In addition

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Manipulation and Readout of a Josephson Qubit,ion. The achieved quantum coherence is sufficient to allow qubit manipulation with NMR-like techniques. We report pulsed microwave experiments that demonstrate the controlled manipulation of the qubit state.

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Aharonov-Casher Effect Suppression of Macroscopic Flux Tunneling, junction is replaced by a Bloch transistor — two junctions separated by a small superconducting island on which the charge can be induced by an external gate voltage. When the Josephson coupling energies of the junctions are equal and the induced charge is . = ., destructive interference between tu

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Terrace

Manipulating Quantum Transitions in A Persistent Current Qubit,re compared and their advantages and disadvantages are considered. Of particular concern is the backreaction of the qubit on the magnetic flux bias coils, used to control the qubit, due to the large effective currents at or near to a quantum mechanical transition.

Glossy

Vortices In Josephson Arrays Interacting With Nonclassical Microwaves In A Dissipative Environment,which the vortices tunnel. External nonclassical microwaves are coupled to the device. The time evolution of this two-mode fully quantum mechanical system is studied, taking into account the dissipation in the system. The effect of the quantum statistics of the photons on the quantum statistics of t