Physics – Quantum Physics
Scientific paper
2000-07-06
Physics
Quantum Physics
Phys. Rev. Lett. 85, 25, 5452-5455 (18 Dec 2000). Substantial changes in the presentation. Results and conclusions unchanged
Scientific paper
10.1103/PhysRevLett.85.5452
We report the realization of a nuclear magnetic resonance (NMR) quantum computer which combines the quantum Fourier transform (QFT) with exponentiated permutations, demonstrating a quantum algorithm for order-finding. This algorithm has the same structure as Shor's algorithm and its speed-up over classical algorithms scales exponentially. The implementation uses a particularly well-suited five quantum bit molecule and was made possible by a new state initialization procedure and several quantum control techniques.
Breyta Gregory
Chuang Isaac L.
Cleve Richard
Steffen Matthias
Vandersypen Lieven M. K.
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