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

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

2001-12-20

arxiv.org/abs/cond-mat/0112403v1

Phys. Rev. Lett. 88, 148301 (2002)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.88.148301

We analyse the quantum dynamics of a micromechanical resonator capacitively
coupled to a Cooper 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 environmentally-induced
decoherence of the resonator superposition state.

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