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arXiv quant-ph/0005086quant-phhep-thmath-phmath.MP
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状态扩展不确定关系

State Extended Uncertainty Relations

D. A. Trifonov

摘要:

本文提出了一种构造n个观测量和m个状态的测不准关系的方法。显示并简要讨论了几个最低阶UR。项两个国家|>和|而正则观测量,海森堡UR的(纠缠)扩展为[Δp(λ)]^2[Δq(λ)]^2 + [Δp(λ)]^2[Δq(λ)]^2 \geq 1/2。指出了新的不等式的一些可能的应用。

英文摘要:

A scheme for construction of uncertainty relations (UR) for n observables and m states is presented. Several lowest order UR are displayed and briefly discussed. For two states |ψ> and |ϕ> and canonical observables the (entangled) extension of Heisenberg UR reads [Δp(ψ)]^2[Δq(ϕ)]^2 + [Δp(ϕ)]^2[Δq(ψ)]^2 \geq 1/2. Some possible applications of the new inequalities are noted.

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