论文标题

连续自发定位的轻脉冲原子干涉测试

Light-Pulse Atom Interferometric Test of Continuous Spontaneous Localization

论文作者

Vowe, Sascha, Donadi, Sandro, Schkolnik, Vladimir, Peters, Achim, Leykauf, Bastian, Krutzik, Markus

论文摘要

我们研究了连续自发定位(CSL)模型对光原子干涉法的影响。使用与CSL的额外随机电势核算的途径综合进近,我们得出对比度的指数损失,如果两个干涉仪臂在空间上分离,则与干涉仪时间$ t $线性缩放。我们将我们的理论结果与基于反传输的两光子转变的冷rubium原子干涉仪的测量结果进行了比较,脉冲分离时间最高$ t $ = 260毫秒,并在CSL参数上获得相应的边界。

We investigate the effect of the Continuous Spontaneous Localization (CSL) model on light-pulse atom interferometry. Using a path-integral approach with an additional stochastic potential accounting for CSL, we derive an exponential loss of the contrast that scales linearly with the interferometer time $T$ if both interferometer arms are spatially separated. We compare our theoretical results with measurements from a cold rubidium atom interferometer based on counter-propagating two-photon transitions with pulse separation times up to $T$ = 260 ms and obtain the corresponding bounds on the CSL parameters.

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