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arXiv quant-ph/0307177quant-ph
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一种具有三个CNOT门的两量子比特变换通用量子线路

A universal quantum circuit for two-qubit transformations with three CNOT gates

G. Vidal, C. M. Dawson

摘要:

我们考虑通过CNOT门和单量子比特幺正门实现两量子比特的幺正变换。我们表明,通过一个明确的量子线路,连同本地门三个CNOT门是必要的和足够的,以实现任意幺正变换的两个量子比特。我们还确定了两个量子比特门的子集,可以执行只有两个CNOT门。

英文摘要:

We consider the implementation of two-qubit unitary transformations by means of CNOT gates and single-qubit unitary gates. We show, by means of an explicit quantum circuit, that together with local gates three CNOT gates are necessary and sufficient in order to implement an arbitrary unitary transformation of two qubits. We also identify the subset of two-qubit gates that can be performed with only two CNOT gates.

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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