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arXiv 1102.3356quant-ph
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一维光晶格中单原子自旋相关输运的直接观测与分析

Direct Observation and Analysis of Spin Dependent Transport of Single Atoms in a 1D Optical Lattice

Michał Karski, Leonid Förster, Jai-Min Choi, Andrea Alberti, Wolfgang Alt, Artur Widera, Dieter Meschede

摘要:

我们在一维光晶格中直接观察到单个铯原子的自旋相关输运。从两个反向传播的线偏振激光束产生两个圆偏振驻波的叠加。通过$π$旋转其中一个偏振导致$σ^{+}$ -和$σ^{-}$ -晶格位移一个晶格位置。通过来回旋转极化并在每个传输步骤后翻转自旋,可以实现在几个晶格位置上的单向传输。我们分析了10个以上格点的输运效率,并讨论和量化了相关的误差来源。

英文摘要:

We have directly observed spin-dependent transport of single cesium atoms in a 1D optical lattice. A superposition of two circularly polarized standing waves is generated from two counter propagating, linearly polarized laser beams. Rotation of one of the polarizations by $π$ causes displacement of the $σ^{+}$- and $σ^{-}$-lattices by one lattice site. Unidirectional transport over several lattice sites is achieved by rotating the polarization back and forth and flipping the spin after each transport step. We have analyzed the transport efficiency over 10 and more lattice sites, and discussed and quantified relevant error sources.

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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