Error-disturbance relations for finite dimensional systems

Error-disturbance relations for finite dimensional systems
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有限维系统的误差-扰动关系

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发表时间:
2013
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通讯作者:
A. Ipsen
A. Ipsen
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作者:
A. Ipsen

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基于误差和扰动的运算概念,提出了有限维希尔伯特空间上一般观测值的误差-扰动关系。对于二维系统,我们导出了表示精度和扰动之间权衡的紧不等式。
We propose an error-disturbance relation for general observables on finite dimensional Hilbert spaces based on operational notions of error and disturbance. For two-dimensional systems we derive tight inequalities expressing the trade-off between accuracy and disturbance.