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. 2002 Apr 8;88(14):148301.
doi: 10.1103/PhysRevLett.88.148301. Epub 2002 Mar 20.

Entanglement and decoherence of a micromechanical resonator via coupling to a Cooper-pair box

A D Armour  1 , M P Blencowe, K C Schwab
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Free article

Entanglement and decoherence of a micromechanical resonator via coupling to a Cooper-pair box

A D Armour et al. Phys Rev Lett. .
Free article

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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