路径积分、ABL规则和三箱悖论
Path integrals, the ABL rule and the three-box paradox
摘要:
三个盒子的问题进行了分析,在虚拟的路径,之间的干扰被破坏的中间测量的数量。Aharonov-Bergmann-Lebowitz(ABL)规则被证明是费曼的配方分配概率的一个特殊情况下,排他性的替代品。三个盒子的情况下出现的“矛盾”的功能,试图属性,在矛盾的不确定原理,不同的中间测量产生的不同系综相同的粒子的属性。这种效应可以通过经典系统来模拟,只要观察以非局部的方式扰动系统。
英文摘要:
The three-box problem is analysed in terms of virtual pathways, interference between which is destroyed by a number of intermediate measurements. The Aharonov-Bergmann-Lebowitz (ABL) rule is shown to be a particular case of Feynman's recipe for assigning probabilities to exclusive alternatives. The 'paradoxical' features of the three box case arise in an attempt to attribute, in contradiction to the uncertainty principle, properties pertaining to different ensembles produced by different intermediate measurements to the same particle. The effect can be mimicked by a classical system, provided an observation is made to perturb the system in a non-local manner.
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