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Fractional frequency collective parametric resonances of an ion cloud in a Paul trap

机译:Paul阱中离子云的分数频率集体参数共振

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We report the observation of the first ten collective parametric resonances of an uncooled N-2(+) ion cloud in a Paul trap driven at simple fractions of twice the secular frequency of the trap by an additionally applied quadrupole field. The fractional resonances are observable only if the excitation field surpasses a critical strength. Odd-even staggering of the thresholds is observed. [References: 5]
机译:我们报告了P​​aul陷阱中未冷却的N-2(+)离子云的前十个集体参量共振的观察结果,该陷阱以附加的四极子场两倍于陷阱的长期频率的简单分数驱动。仅当激发场超过临界强度时,分数共振才能观察到。观察到阈值的奇偶交错。 [参考:5]

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