Efficient Generation of Atomic Singlet State with Rydberg Blockade and Lie‐Transform‐Based Pulse Design,Annalen Der Physik

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Efficient Generation of Atomic Singlet State with Rydberg Blockade and Lie‐Transform‐Based Pulse Design
Annalen Der Physik ( IF 2.2 ) Pub Date : 2020-05-19 , DOI: 10.1002/andp.202000093
Xinyu Da ₁ , Zhi‐Cheng Shi _{2,

3}

Affiliation

A protocol to generate atomic singlet state of three atoms is proposed. The strong Rydberg interactions between atoms mediate the multi‐qubit operations and help to simplify the dynamics of the system. The effective Hamiltonian is constructed in the regime of Rydberg blockade and the evolution path is built up from an initial state to the target singlet state via the Lie‐transform‐based pulse design. Numerical simulations show the protocol can produce atomic singlet state with high fidelity and holds robustness against several types of experimental imperfections. Therefore, it may provide some useful results for the generation of singlet states in atomic system.

中文翻译：

利用Rydberg封锁和基于Lie变换的脉冲设计有效生成原子单重态

提出了一种生成三个原子的原子单重态的协议。原子之间强大的里德堡相互作用可介导多量子位操作，并有助于简化系统动力学。有效的哈密顿量是在里德堡封锁体制下构建的，通过基于李变换的脉冲设计，其演化路径是从初始状态到目标单重态的。数值模拟表明，该协议可以产生高保真度的原子单重态，并且对几种类型的实验缺陷具有鲁棒性。因此，它可能为原子系统中单重态的产生提供一些有用的结果。

更新日期：2020-05-19

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