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arXiv 0907.5196quant-ph
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色散抵消和非局域干涉的非经典性质

Nonclassical Nature of Dispersion Cancellation and Nonlocal Interferometry

J. D. Franson

备注：
10 pages, 8 figures; minor revisions, to appear in Phys. Rev. A
发表信息：
Phys. Rev. A 80, 032119 (2009).
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摘要：

最近的几篇论文表明，某些形式的色散抵消有经典的类似物，非局部双光子干涉的某些方面是符合当地的现实模型。这里注意，经典的类似物仅适用于局部色散消除实验[A.M.Steinberg等人，物理修订版信函68，2421（1992）]和非局域色散抵消[J.D. Franson，Phys.Rev.A45，3126（1992）]与任何经典场论都不一致，并且没有经典的类似物。已被建议为双光子干涉的本地模型被证明是本地的，但不现实的，如果考虑到干涉仪的空间范围。正是经典模型无法描述这些实验的所有相关方面，才区分了量子物理和经典物理，这也是贝尔不等式的情况。

英文摘要：

Several recent papers have shown that some forms of dispersion cancellation have classical analogs and that some aspects of nonlocal two-photon interferometry are consistent with local realistic models. It is noted here that the classical analogs only apply to local dispersion cancellation experiments [A.M. Steinberg et al., Phys. Rev. Lett. 68, 2421 (1992)] and that nonlocal dispersion cancellation [J.D. Franson, Phys. Rev. A 45, 3126 (1992)] is inconsistent with any classical field theory and has no classical analog. The local models that have been suggested for two-photon interferometry are shown to be local but not realistic if the spatial extent of the interferometers is taken into account. It is the inability of classical models to describe all of the relevant aspects of these experiments that distinguishes between quantum and classical physics, which is also the case in Bell's inequality.

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