Entanglement and Decoherence of a Micromechanical Resonator via Coupling to a Cooper-Pair Box
A. D. Armour, M. P. Blencowe, K. C. Schwab
DOI 10.1103/PhysRevLett.88.148301 · Physical Review Letters
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Abstract
We analyze the quantum dynamics of a micromechanical resonator capacitively coupled to a Cooper-pair box. With appropriate quantum state control of the Cooper box, the resonator can be driven into a superposition of spatially separated states. The Cooper box can also be used to probe the decay of the resonator superposition state due to environmental decoherence.
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