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Fig. 2 | EPJ Techniques and Instrumentation

Fig. 2

From: Sympathetic cooling of molecular ions with ultracold atoms

Fig. 2

Sample trajectories showing the effect of a collision at t=0 that reduces the trapped particle velocity to zero in a a static and b rf Paul trap. In the static case, a stopping collision always leads to cooling (i.e. reduced amplitude of the oscillation), however, in the time-dependent potential of the Paul trap a stopping collision can lead to heating

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