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Adaptive Quantum Amplitude Estimation | | Xi Lu
; Hongwei Lin
; | | Date: |
2 Jan 2023 | | Abstract: | The maximum likelihood amplitude estimation (MLAE) algorithm is a practical
solution to the quantum amplitude estimation problem, which has a theoretically
quadratic speedup over classical Monte Carlo method. However, we find that MLAE
is not unbiased, which is one of the major causes of its inaccuracy. We propose
an adaptive quantum amplitude estimation (AQAE) algorithm by choosing MLAE
parameters adaptively to avoid critical points. We also do numerical
experiments to show that our algorithm is approximately unbiased and more
efficient than MLAE. | | Source: | arXiv, 2301.00528 | | Services: | Forum | Review | PDF | Favorites | |
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