V2EX superinductance

Superinductance

定义 Definition

Superinductance(超电感)指一种等效电感非常大、同时寄生电容与损耗极低的电路元件/结构,常用于超导量子电路中,用来提供接近“理想电感”的高阻抗环境(在相关频段内阻抗可显著高于电阻量子 \(R_Q\) 的量级)。

发音 Pronunciation (IPA)

/suprndktns/

例句 Examples

A superinductance can isolate a qubit from environmental noise.
超电感可以将量子比特与环境噪声隔离开来。

By engineering a superinductance with a Josephson junction array, the circuit achieves a very high impedance over the operating band, reducing decoherence.
通过用约瑟夫森结阵列设计超电感,电路能在工作频带内获得很高的阻抗,从而降低退相干。

词源 Etymology

该词由 super-(“超、极高程度”)+ inductance(“电感”)组合而成,字面意思是“超高电感”。它并非传统电工学中常见的基础词,而是随着超导电子学/量子信息发展而流行的术语,强调“电感大到足以在量子电路中充当近似理想的高阻抗元件”。

相关词 Related Words

文学与著作中的用例 Literary Works & Notable Appearances

  • Physical Review Letters:多篇关于 fluxonium、约瑟夫森结阵列与高阻抗环境的论文中使用 superinductance 来描述实现超高电感的关键电路结构。
  • Nature / Nature Physics:在超导量子器件(如新型量子比特、受保护量子电路)相关研究报道中,常以 superinductance 指代“高阻抗、低损耗的电感实现方案”。
  • Reviews of Modern Physics / 相关综述文章:讨论超导量子电路元件工程时,会将 superinductance 作为“实现强非线性与抑制电荷噪声”的重要构件之一。
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