Experimental NMR realization of a generalized quantum search algorithm

Experimental NMR realization of a generalized quantum search algorithm A generalized quantum search algorithm, where phase inversions for the marked state and the prepared state are replaced by π /2 phase rotations, is realized in a 2-qubit NMR heteronuclear system. The quantum algorithm searches a marked state with a smaller step compared to standard Grover algorithm. Phase matching requirement in quantum searching is demonstrated by comparing it with another generalized algorithm where the two phase rotations are π /2 and 3 π /2, respectively. Pulse sequences which include non-90° pulses are given. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physics Letters A Elsevier

Experimental NMR realization of a generalized quantum search algorithm

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Publisher
Elsevier
Copyright
Copyright © 2001 Elsevier Science B.V.
ISSN
0375-9601
D.O.I.
10.1016/S0375-9601(01)00416-9
Publisher site
See Article on Publisher Site

Abstract

A generalized quantum search algorithm, where phase inversions for the marked state and the prepared state are replaced by π /2 phase rotations, is realized in a 2-qubit NMR heteronuclear system. The quantum algorithm searches a marked state with a smaller step compared to standard Grover algorithm. Phase matching requirement in quantum searching is demonstrated by comparing it with another generalized algorithm where the two phase rotations are π /2 and 3 π /2, respectively. Pulse sequences which include non-90° pulses are given.

Journal

Physics Letters AElsevier

Published: Jul 23, 2001

References

  • Phys. Rev. Lett.
    Grover, L.K.
  • Phys. Rev. Lett.
    Grover, L.K.
  • Phys. Rev. Lett.
    Jones, J.A.; Mosca, M.

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