V2EX superconducting qubit

Superconducting Qubit

定义 Definition

超导量子比特:一种用超导电路实现的量子比特(qubit),通常在极低温下工作,利用电路中的量子态(如不同能级或相位态)来存储与操控量子信息。常见类型包括 transmon(跨导子) 等。(该术语也可指更广义的“基于超导器件的量子比特”。)

发音 Pronunciation (IPA)

/suprkndkt kjubt/

例句 Examples

Superconducting qubits must be cooled to very low temperatures.
超导量子比特必须冷却到非常低的温度才能工作。

Researchers used a superconducting qubit to demonstrate improved gate fidelity under optimized control pulses.
研究人员使用超导量子比特,在优化的控制脉冲下展示了更高的量子门保真度。

词源 Etymology

superconducting 来自 *super-(“超、极其”)+ conduct(“导电”)+ -ing(形容词/现在分词形式),意为“超导的”。
qubitquantum bit(“量子比特”)的混成缩略词:
qu-*(quantum 的开头)+ bit(二进制位)。合起来 superconducting qubit 就是“用导技术实现的量子比特”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Michael A. Nielsen & Isaac L. Chuang, Quantum Computation and Quantum Information(常以“量子比特/实现方案”讨论相关概念,超导路线在相关文献与课程中常与本书配套出现)
  • John Preskill(讲义/课程资料), Lecture Notes on Quantum Computation(在量子计算实现平台讨论中常涉及超导量子比特)
  • M. H. Devoret & R. J. Schoelkopf, “Superconducting Circuits for Quantum Information: An Outlook”(综述性论文,直接讨论超导电路与超导量子比特)
  • Y. Makhlin, G. Schn, A. Shnirman, “Quantum-State Engineering with Josephson-Junction Devices”(早期经典综述,涉及基于约瑟夫森结的超导量子比特思想)
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