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arXiv quant-ph/0408186quant-ph
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关于量子统计的两个问题

Two questions on quantum statistics

Pekka Lahti, Juha-Pekka Pellonpaa, Kari Ylinen

摘要:

研究了由测量结果统计量的一阶矩和二阶矩确定量子可观测值的问题。给出了概率测度的矩的操作条件,这些条件足以确定概率测度。微分算子导致物理相关的情况下,大类的noncommuting可观的期望值不区分叠加的状态,特别是,在充分的时刻信息不确定的概率措施。

英文摘要:

The determination of a quantum observable from the first and second moments of its measurement outcome statistics is investigated. Operational conditions for the moments of a probability measure are given which suffice to determine the probability measure. Differential operators are shown to lead to physically relevant cases where the expectation values of large classes of noncommuting observables do not distinguish superpositions of states and, in particular, where the full moment information does not determine the probability measure.

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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