Quantum gates in coupled quantum dots controlled by coupling modulation

Alejandro D. Bendersky

doi:10.1088/2058-9565/ae3a12

2026-02-03

PRE

Alejandro D. Bendersky

Sergio S. Gómez

Rodolfo H. Romero *

DOI：10.1088/2058-9565/ae3a12

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摘要

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我们研究了一对单电子双量子点 (dqd) 在纵向和横向静磁场下的动力学以及它们相互作用耦合的时间相关谐波调制。我们建议调制qd之间的隧道耦合以产生一个量子位门，并调制dqd之间的交换耦合以产生纠缠门，这是量子计算所需的一组操作。我们开发了分析近似值来设置控制量子位的条件，并将其应用于数值计算，以测试分析模型的准确性和鲁棒性。结果表明，即使在偏离理想状态的条件下，双电子态的单一演化也可以执行设计的操作。

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Quantum Science and Technology

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conicet-unne and universidad nacional del nordeste

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