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arXiv 0712.0230quant-ph
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圆上量子力学测不准关系的实验检验

Experimental test of uncertainty relations for quantum mechanics on a circle

J. Rehacek, Z. Bouchal, R. Celechovsky, Z. Hradil, L. L. Sanchez-Soto

摘要:

我们重新推导的不确定性关系的角位置和动量的一个粒子在一个圆上采用的角度的指数,而不是角度本身,这导致圆方差作为一个自然的措施的决议。在给定角度或角动量不确定性的约束下,使不确定性积最小化的智能状态由马蒂厄波函数给出。我们还讨论了一些物理上可行的近似这些最佳状态。该理论适用于一束光子的轨道角动量,并在实验中验证,采用计算机控制的空间光调制器在状态准备和分析阶段。

英文摘要:

We rederive uncertainty relations for the angular position and momentum of a particle on a circle by employing the exponential of the angle instead of the angle itself, which leads to circular variance as a natural measure of resolution. Intelligent states minimizing the uncertainty product under the constraint of a given uncertainty in angle or in angular momentum turn out to be given by Mathieu wave functions. We also discuss a number of physically feasible approximations to these optimal states. The theory is applied to the orbital angular momentum of a beam of photons and verified in an experiment that employs computer-controlled spatial light modulators both at the state preparation and analyzing stages.

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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