Titlebook: Macroscopic Quantum Coherence and Quantum Computing; Dmitri V. Averin,Berardo Ruggiero,Paolo Silvestrin Book 2001 Springer Science+Busines

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多山

Macroscopic Quantum Coherence and Decoherence in Squids,ree of such decoherence, in an experiment of the MQC type, either by a priori order-of-magnitude arguments or from other types of experiment which may be easier at the initial stages of the program, such as measurements of dissipation in the quasiclassical regime or of tunnelling rates out of a meta

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Ablation

Induction

Macroscopic Quantum Superposition in a Three-Josephson-Junction Loop,ween the ground state and first excited state shows an anti-crossing where two classical persistent-current states with opposite polarity are degenerate. This is evidence for symmetric and antisymmetric quantum superpositions of two macroscopic states; the classical states have persistent currents o

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Mortar

OPINE

Phase-Coherent Electronic Transport in a Multi-Wall Carbon Nanotube,f phase with respect to the conventional four-probe resistance, which could be explained in terms of the Landauer-Büttiker formula. Our observations indicate that the phase coherence length of multi-wall carbon nanotube exceeds the whole sample length of 3.8 .m up to the measured temperature 18 K.

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Macroscopic Quantum Phenomena in Underdamped Josephson Junctions, rate of escape from the supercurrent state as function of the external energy both in quasi-stationary and non-stationary conditions for the system. We evaluate the relevant junction parameters and the effective dissipation and we get experimental evidence of energy level quantization at temperatur

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