Invariant information and quantum state estimation

被引：0

作者：

Rehaáček, J. ^{[1
]}

Hradil, Z. ^{[1
]}

机构：

[1] Department of Optics, Palacky University, 17. listopadu 50, 772 00 Olomouc, Czech Republic

来源：

| 2002年 / American Institute of Physics Inc.卷 / 88期

关键词：

Approximation theory - Eigenvalues and eigenfunctions - Error analysis - Kinematics - Mathematical transformations - Matrix algebra - Parameter estimation - Probability - Tomography;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The kinematics of the quantum theory were built up from the information-theoretical principles. A measure of the classical information gained from a measurement on a quantum system was introduced. It was shown that the invariant information was related to the problem of the estimation of a quantum state. The difference between estimated state and the true state was quantified in the sense of the Hilbert-Schmidt norm.

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