Universal Algorithm for Optimal Estimation of Quantum States from Finite Ensembles
量子物理
2009-10-30 v2
摘要
We present a universal algorithm for the optimal quantum state estimation of an arbitrary finite dimensional system. The algorithm specifies a physically realizable positive operator valued measurement (POVM) on a finite number of identically prepared systems. We illustrate the general formalism by applying it to different scenarios of the state estimation of N independent and identically prepared two-level systems (qubits).
引用
@article{arxiv.quant-ph/9707028,
title = {Universal Algorithm for Optimal Estimation of Quantum States from Finite Ensembles},
author = {Radoslav Derka and Vladimir Buzek and Artur Ekert},
journal= {arXiv preprint arXiv:quant-ph/9707028},
year = {2009}
}
备注
4 pages, RevTeX, minor modifications to the text