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This chapter builds on the previous two chapters to show how quantum algorithms can estimate eigenvalues of unitary operators. The phase estimation procedure is derived step-by-step, and the corresponding circuit is presented. Example code demonstrates the performance of the quantum phase estimation procedure for various eigenvalues and desired precisions.

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Quantum Phase Estimation

  • 章节

  • 发表日期：

    2026年

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  • Osama M. Raisuddin,
  • Suvranu De

摘要

This chapter builds on the previous two chapters to show how quantum algorithms can estimate eigenvalues of unitary operators. The phase estimation procedure is derived step-by-step, and the corresponding circuit is presented. Example code demonstrates the performance of the quantum phase estimation procedure for various eigenvalues and desired precisions.