Physics – Quantum Physics
Scientific paper
2005-10-10
Physics
Quantum Physics
4 pages, 3 figures, updated error discussion
Scientific paper
10.1103/PhysRevA.72.050306
We report the implementation of Grover's quantum search algorithm in the scalable system of trapped atomic ion quantum bits. Any one of four possible states of a two-qubit memory is marked, and following a single query of the search space, the marked element is successfully recovered with an average probability of 60(2)%. This exceeds the performance of any possible classical search algorithm, which can only succeed with a maximum average probability of 50%.
Acton M.
Brickman K.-A.
Deslauriers L.
Haljan P. C.
Lee Peter J.
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