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arXiv quant-ph/0310058quant-ph
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在真空中违反贝尔不等式

Violating Bell's inequalities in the vacuum

Benni Reznik, Alex Retzker, Jonathan Silman

摘要:

我们采用的方法,其中真空纠缠直接探测在一个受控的方式。该方法包括有一对最初的非纠缠探测器局部相互作用的领域在有限的时间内,使两个探测器保持因果断开,然后分析所得的检测器混合状态。我们证明了相对论自由标量场真空中任意远距离区域之间的关联不能用局域隐变量模型再现,并且作为区域之间距离L的函数,纠缠度以低于exp(-(L/cT)^3)的速率减小。

英文摘要:

We employ an approach wherein vacuum entanglement is directly probed in a controlled manner. The approach consists of having a pair of initially nonentangled detectors locally interact with the field for a finite duration, such that the two detectors remain causally disconnected, and then analyzing the resulting detector mixed state. It is demonstrated that the correlations between arbitrarily far-apart regions of the vacuum of a relativistic free scalar field cannot be reproduced by a local hidden-variable model, and that as a function of the distance L between the regions, the entanglement decreases at a slower rate than exp(-(L/cT)^3).

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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