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
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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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