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Abstract <p>The repetition of Grover-diffusion operator the order of √<i>N</i> times is the essence of the Grover quantum selection algorithm. For large <i>N</i> the coherence time T2 of the qubits limits the application of the algorithm. We explore what other operators could be devised in its place to accelerate convergence. We present a C++ SU(2) model of the Grover-diffusion operator implemented using our SU2 package.</p>

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Grover-Diffusion Operator Unicity for the Grover Quantum-Search Algorithm

  • 期刊论文

  • 发表日期：

    2025年8月29日

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  • M. T. Dima,
  • M. Dima,
  • M. Mihailescu

摘要

Abstract

The repetition of Grover-diffusion operator the order of √N times is the essence of the Grover quantum selection algorithm. For large N the coherence time T2 of the qubits limits the application of the algorithm. We explore what other operators could be devised in its place to accelerate convergence. We present a C++ SU(2) model of the Grover-diffusion operator implemented using our SU2 package.