Measurement-based quantum phase estimation algorithm for finding eigenvalues of non-unitary matrices
Measurement-based quantum phase estimation algorithm for finding eigenvalues of non-unitary matrices
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基于测量的量子相位估计算法,用于查找非酉矩阵的特征值
DOI:
10.1103/physreva.82.062303
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发表时间:
2009-06
影响因子:
2.9
通讯作者:
Nori, Franco
中科院分区:
文献类型:
--
作者:
Wang, Hefeng;Wu, Lian-Ao;Liu, Yu-xi;Nori, Franco
We propose a quantum algorithm for finding eigenvalues of non-unitary matrices. We show how to construct, through interactions in a quantum system and projective measurements, a non-Hermitian or non-unitary matrix and obtain its eigenvalues and eigenvectors. This proposal combines ideas of frequent measurement, measured quantum Fourier transform, and quantum state tomography. It provides a generalization of the conventional phase estimation algorithm, which is limited to Hermitian or unitary matrices.
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DOI:
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