量子可观测量的范数1性质
The norm-1-property of a quantum observable
摘要:
正规化正算子测度$X\mapsto E(X)$具有范数-1-性质,如果$\no{E(X)}=1$无论何时$E(X)\ne O$。这一性质反映了这样一个事实,即测量结果的概率值,这样的可观的可以任意接近一个与适当的状态准备。范数-1性质的一些一般含义进行了研究。作为案例研究,本地化可观测量,相位可观测量,相空间可观测量被认为是。
英文摘要:
A normalized positive operator measure $X\mapsto E(X)$ has the norm-1-property if $\no{E(X)}=1$ whenever $E(X)\ne O$. This property reflects the fact that the measurement outcome probabilities for the values of such observables can be made arbitrary close to one with suitable state preparations. Some general implications of the norm-1-property are investigated. As case studies, localization observables, phase observables, and phase space observables are considered.
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