Physics – Quantum Physics
Scientific paper
2011-03-22
Physics
Quantum Physics
4 pages, 3 figures
Scientific paper
We present an ultrafast feasible scheme for ground state cooling of a mechanical resonator via repeated random time-interval measurements on an auxiliary flux qubit. We find that the ground state cooling can be achieved with \emph{several} such measurements. The cooling efficiency hardly depends on the time-intervals between any two consecutive measurements. The scheme is also robust against environmental noises.
Li Yong
Wang Ying-Dan
Wu Lian-Ao
Yang Li-Ping
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