Bell's Theorem and Random Variables

Bell's Theorem and Random Variables
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贝尔定理和随机变量

DOI:
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发表时间:
2000
期刊:
arXiv: Quantum Physics
影响因子:
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通讯作者:
Yaroslav Volovich
Yaroslav Volovich
中科院分区:
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文献类型:
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作者:
I. Volovich;Yaroslav Volovich

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贝尔定理指出,两个自旋的量子关联函数不能表示为两个经典随机变量的期望值。在贝尔模型中,自旋由一个单一的标量随机变量描述。我们讨论了另一个自旋的经典模型,其中自旋是由一个三重经典随机变量描述的。结果表明,在该模型中,量子关联函数可以表示为经典随机变量的期望值。这一结果的影响,量子力学的局部因果关系的问题和关系问题的时刻简要地提到。
Bell's theorem states that quantum correlation function of two spins can not be represented as an expectation value of two classical random variables. Spin is described in Bell's model by a single scalar random variable. We discuss another classical model of spin in which spin is described by a triple of classical random variables. It is shown that in this model the quantum correlation function can be represented as the expectation value of classical random variables. Implications of this result to the problem of local causality of quantum mechanics and relations with problems of moments are briefly mentioned.
DOI: 10.1063/1.2808757
发表时间: 1994-12
期刊: Physics Today
影响因子: 3.5
作者:
A. Peres;Meinhard E. Mayer
通讯作者: A. Peres;Meinhard E. Mayer