V2EX fluxonium

Fluxonium

Definition / 定义

fluxonium:一种超导量子比特(superconducting qubit)的电路架构。它通常由一个约瑟夫森结与很大的电感(常用“超电感”实现)组成,用来形成对磁通(flux)敏感的量子能级,常见于量子计算与电路量子电动力学(cQED)研究中。日常语境较少见,主要用于科研与工程讨论。

Pronunciation / 发音

/flksonim/

Examples / 例句

The lab is testing a new fluxonium qubit this week.
实验室这周在测试一种新的 fluxonium 量子比特。

Because fluxonium can be engineered to reduce certain noise effects, it is often studied as an alternative to the transmon in circuit QED experiments.
由于 fluxonium 可以通过工程设计来降低某些噪声影响,它常被作为 transmon 的替代方案在电路量子电动力学实验中研究。

Etymology / 词源

fluxonium 是近现代科学语境中的造词:由 flux(“磁通/通量”)+ 词尾 -onium 组合而成。**-onium** 常见于元素名或技术名词的构词风格(带有“某类物质/体系/装置”的命名气质),这里并非指化学元素,而是用来为一种“磁通(flux)”为核心物理量的量子电路架构命名。

Related Words / 相关词

Notable Works / 文学与著作例证

  • Manucharyan et al., “Fluxonium: Single Cooper-pair circuit free of charge offsets”(2009,提出并系统讨论 fluxonium 架构的经典论文标题中直接出现该词)
  • Kjaergaard et al., “Superconducting Qubits: Current State of Play”(2020,综述类论文中常以 fluxonium 作为重要超导量子比特类型之一被讨论)
  • Various cQED/quantum hardware papers and theses(多篇电路量子电动力学与量子硬件论文、博士论文中将 fluxonium 作为器件类型频繁出现)
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