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arXiv quant-ph/0207155quant-ph
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基于两两相互作用的可扩展离子阱量子计算

Scalable Ion Trap Quantum Computation with Pairwise Interactions Only

K. R. Brown, J. Vala, K. B. Whaley

摘要:

提出了在消相干自由子空间(DFS)上仅用两个量子比特操作的通用离子阱计算。DFS是为集体退相模型构造的。编码的单量子位和双量子位逻辑运算通过Sorensen-Molmer相互作用实现。交替的两个特定的相位配置的控制场的有效哈密顿近似各向异性交换相互作用。这在一个逻辑量子比特到三个物理量子比特的适当编码上是通用的,这三个物理量子比特在集体退相干下也是DFS。

英文摘要:

Universal ion trap computation on Decoherence Free Subspaces (DFS) using only two qubit operations is presented. The DFS is constructed for the collective dephasing model. Encoded single and two-qubit logical operations are implemented via the Sorensen-Molmer interaction. Alternation of the effective Hamiltonians for two particular phase configurations of control fields approximates an anisotropic exchange interaction. This is universal over suitable encodings of one logical qubit into three physical qubits which are also DFS under collective decoherence.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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