擦除检测一个双轨量子位编码在一个双柱超导空腔的双轨量子位
Akshay Koottandavida1, Ioannis Tsioutsios1, Aikaterini Kargioti1
1Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA and Yale Quantum Institute, Yale University, New Haven, Connecticut 06511, USA.
Physical review letters
|May 17, 2024
概括
研究人员开发了一种紧的超导腔量子位,用于量子错误校正. 这种新的架构展示了错误率的强有力的层次结构,为高效的容错量子计算铺平了道路.
科学领域:
- 量子计算是一种量子计算.
- 超导电路中的超导电路.
- 量子错误的纠正 量子错误的纠正
背景情况:
- 具有删除错误的量子比特为量子错误纠正 (QEC) 和容错量子计算提供了优势.
- 超导电路中的双轨编码是利用删除检测的有希望的方法.
研究的目的:
- 在一个紧的超导空腔架构中实现和描述一个双轨量子位.
- 通过使用辅助传感器在双轨子空间内演示擦除检测.
- 评估这个新系统中的错误率和QEC的潜力.
主要方法:
- 在一个紧的,双杆超导腔内实现双轨量子位.
- 在双轨子空间上使用辅助传声来检测删除.
- 采用联合-维格纳断层扫描通过修改的交叉-克尔相互作用为代码空间的表征.
主要成果:
- 在一个紧的超导空腔中成功实现了双轨量子位.
- 测量了3.981±0.003ms-1的删除速率.
- 在代码空间内观察到剩余的,选择后的脱相误差率高达0.17 ms−1.
结论:
- 错误率的强有力的层次结构是QEC的优势.
- 紧且硬件效率高的架构对QEC方案有很大的前景.
- 这种方法可能会导致在容错量子计算中增强值和改进扩展.
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