Physics – Quantum Physics
Scientific paper
1999-10-16
Physics
Quantum Physics
Published in Applied Physics Letters, vol. 76, no. 5, 31 January 2000, p.646-648, after minor revisions. (revtex, mypsfig2.sty
Scientific paper
10.1063/1.125846
We report the experimental implementation of Grover's quantum search algorithm on a quantum computer with three quantum bits. The computer consists of molecules of $^{13}$C-labeled CHFBr$_2$, in which the three weakly coupled spin-1/2 nuclei behave as the bits and are initialized, manipulated, and read out using magnetic resonance techniques. This quantum computation is made possible by the introduction of two techniques which significantly reduce the complexity of the experiment and by the surprising degree of cancellation of systematic errors which have previously limited the total possible number of quantum gates.
Breyta Gregory
Chuang Isaac L.
Sherwood Mark H.
Steffen Matthias
Vandersypen Lieven M. K.
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