在基于指令交换规则和持续时间的量子电路中抑制交叉声
Zhijin Guan1, Renjie Liu1, Xueyun Cheng1
1School of Information Technology, Nantong University, Nantong 226019, China.
Entropy (Basel, Switzerland)
|June 28, 2023
概括
这项研究引入了一种新的方法,通过重新排序量子门和插入时间延迟来减少量子计算机中的噪声. 这种方法显著提高了量子电路的可靠性,这对于先进的量子计算至关重要.
科学领域:
- 量子计算是一种量子计算.
- 量子信息科学 量子信息科学
背景情况:
- 交叉通话是量子计算中噪声的主要来源,在并行指令执行过程中由信号线合引起.
- 这种噪声会扰乱量子状态,导致错误的程序执行,并阻碍量子错误校正和容错系统.
研究的目的:
- 提出和验证一种新的方法来抑制量子计算中的交叉通话.
- 通过减轻交叉通话引入的噪声来提高量子电路的忠实性.
主要方法:
- 开发了一个多重指令交换规则来重新排序量子门,特别是分离那些具有高交叉声响的量子门.
- 基于量子门的持续时间,战略性地插入时间延迟,以在执行过程中进一步隔离高交叉声门.
主要成果:
- 拟议的方法有效地抑制了量子计算设备中的交叉通话.
- 基准实验表明,与现有技术相比,平均可靠度提高了15.97%.
结论:
- 开发的方法在减少量子计算噪音方面取得了重大进展.
- 这种方法对于实现可靠的量子错误校正和实现大规模容错量子计算至关重要.
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