Roughness suppression via rapid current modulation on an Atom chip.
نویسندگان
چکیده
We present a method to suppress the roughness of the potential of a wire-based, magnetic atom guide: modulating the wire current at a few tens of kHz, the potential roughness, which is proportional to the wire current, averages to zero. Using ultracold 87Rb clouds, we show experimentally that modulation reduces the roughness by at least a factor five without measurable heating or atom loss. This roughness suppression results in a dramatic reduction of the damping of center-of-mass oscillations.
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ورودعنوان ژورنال:
- Physical review letters
دوره 98 26 شماره
صفحات -
تاریخ انتشار 2007