Comment on “Grover search with pairs of trapped ions”

Charles D. Hill and Hsi-Sheng Goan
Phys. Rev. A 69, 056301 – Published 17 May 2004
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Abstract

In this Comment on Feng’s paper [Phys. Rev. A 63, 052308 (2001)], we show that Grover’s algorithm may be performed exactly using the gate set given, provided that small changes are made to the gate sequence. An analytic expression for the probability of success of Grover’s algorithm for any unitary operator U instead of Hadamard gate is presented.

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  • Received 5 August 2003

DOI:https://doi.org/10.1103/PhysRevA.69.056301

©2004 American Physical Society

Authors & Affiliations

Charles D. Hill1,* and Hsi-Sheng Goan2,†

  • 1Centre for Quantum Computer Technology, and Department of Physics, The University of Queensland, St. Lucia, Queensland 4072, Australia
  • 2Centre for Quantum Computer Technology, University of New South Wales, Sydney, New South Wales 2052, Australia

  • *Electronic address: hillcd@physics.uq.edu.au
  • †Mailing address: Centre for Quantum Technology, C∕- Department of Physics, The University of Queensland, St Lucia, QLD 4072, Australia. Electronic address: goan@physics.uq.edu.au

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Original Article

Grover search with pairs of trapped ions

Mang Feng
Phys. Rev. A 63, 052308 (2001)

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Vol. 69, Iss. 5 — May 2004

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