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arXiv quant-ph/0703226quant-ph
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相关系数和Robertson-Schroedinger测不准关系

Correlation coefficients and the Robertson-Schroedinger uncertainty relations

Gordon N. Fleming

摘要:

调用数量; 2delta(A)delta(B)/|<[A,B]>|在分母为非零的情况下,(A,B)观测量对的不确定度乘积比(UPR),证明了两个观测量之间的任何非零相关系数都使不相容观测量对的无限集合中的每个成员的UPR的下界高于1。相反,任何UPR都服从于由相关系数的无限集合中的每一个确定的高于单位的下限。这一结果推广了著名的薛定谔加强罗伯逊不确定性关系(前者表示的相关系数,而不是反换向器),其中的UPR和相关系数都涉及到相同的一对可观的。两个,独立的,推导的结果,以澄清其起源和一些例子,它的使用进行检查。

英文摘要:

Calling the quantity; 2delta(A)delta(B)/|<[A, B]>|, with non-zero denominator, the uncertainty product ratio or UPR for the pair of observables, (A, B), it is shown that any non-zero correlation coefficient between two observables raises, above unity, the lower bound of the UPR for each member of an infinite collection of pairs of incompatible observables. Conversely, any UPR is subject to lower bounds above unity determined by each of an infinite collection of correlation coefficients. This result generalizes the well known Schroedinger strengthening of the Robertson uncertainty relations (with the former expressed in terms of the correlation coefficient rather than the anticommutator) where the UPR and the correlation coefficient both involve the same pair of observables. Two, independent, derivations of the result are presented to clarify its origins and some examples of its use are examined.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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