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首页> 外文期刊>Physical Review, A >Annulled van derWaals interaction and fast Rydberg quantum gates
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Annulled van derWaals interaction and fast Rydberg quantum gates

机译:Annulled Van der Wa互动和快速rydberg量子门

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摘要

A pair of neutral atoms separated by several microns and prepared in identical s states of large principal quantum number experience a van derWaals interaction. If microwave fields are used to generate a superposition of s states with different principal quantum numbers, a null point may be found at which a specific superposition state experiences no van der Waals interaction. An application of this Rydberg state in a quantum controlled-Z gate is proposed, which takes advantage of GHz rate transitions to nearby Rydberg states. A gate operation time in the tens of nanoseconds is predicted.
机译:一对中性原子分隔几微米,并以相同的S的大型金量子数经验van derwaals相互作用。 如果使用微波字段来生成具有不同主量子数的S叠加的叠加,则可以找到空点,在此特定的叠加状态无van der wa或者交互。 提出了该rydberg状态在量子控制Z门中的应用,这利用了GHz速率转换到附近的Rydberg状态。 预先预测数十纳秒的栅极操作时间。

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