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arXiv quant-ph/0412204quant-ph
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量子弱值

Quantum weak values

G. J. Pryde, J. L. O'Brien, A. G. White, T. C. Ralph, H. M. Wiseman

摘要:

我们实验确定一个单光子的偏振,通过一个弱的测量,采用双光子纠缠操作,和postselection的弱值。由于双光子纠缠的存在,半经典波动理论不能解释这些弱值。我们观察到的弱值的大小与测量强度的变化,获得的平均测量的S_1斯托克斯参数超过一个数量级以外的运营商的频谱最小的测量强度。

英文摘要:

We experimentally determine weak values for a single photon's polarization, obtained via a weak measurement that employs a two-photon entangling operation, and postselection. The weak values cannot be explained by a semiclassical wave theory, due to the two-photon entanglement. We observe the variation in size of the weak value with measurement strength, obtaining an average measurement of the S_1 Stokes parameter more than an order of magnitude outside of the operator's spectrum for the smallest measurement strengths.

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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