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arXiv 1807.07041physics.atom-phcond-mat.quant-gasquant-ph
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如何对动量可调的射频光子进行修整

How to dress radio-frequency photons with tunable momentum

Boris Shteynas, Jeongwon Lee, Furkan C. Top, Jun-Ru Li, Alan O. Jamison, Gediminas Juzeliūnas, Wolfgang Ketterle

摘要:

我们演示了如何结合振荡磁力和射频(RF)脉冲赋予RF光子可调动量。我们观察到速度选择性自旋翻转过渡和相关的多普勒频移。这实现了超冷原子的纯磁自旋轨道耦合方案的关键组成部分,其不涉及光学跃迁,因此避免了由于自发发射引起的加热问题。

英文摘要:

We demonstrate how the combination of oscillating magnetic forces and radio-frequency (RF) pulses endows RF photons with tunable momentum. We observe velocity-selective spinflip transitions and the associated Doppler shift. This realizes the key component of purely magnetic spin-orbit coupling schemes for ultracold atoms, which does not involve optical transitions and therefore avoids the problem of heating due to spontaneous emission.

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