V2EX quantum transport

Quantum Transport

定义 Definition

量子输运:指在纳米/介观尺度中,电子(也可扩展到热、声子、自旋等)的传输行为显著受量子效应影响的现象与理论框架,例如量子相干隧穿能级离散干涉散射等(常见于量子点、量子线、石墨烯、超导纳米结构等体系)。

发音 Pronunciation (IPA)

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例句 Examples

Quantum transport becomes important in very small devices.
在非常微小的器件中,量子输运变得很重要。

In mesoscopic conductors, quantum transport can be described using the Landauer approach, where conductance depends on transmission probabilities.
在介观导体中,量子输运可用朗道尔方法描述,其中电导取决于透射概率。

词源 Etymology

quantum 源自拉丁语 quantum(“多少、数量”),在物理学中引申为“能量等物理量的最小离散单位(量子)”。transport 源自拉丁语 transportaretrans- “穿过” + portare “携带”),意为“运输、传送。二者组合成 quantum transport,指“受量子规律支配的传输/输运”。

相关词 Related Words

文献作品 Literary Works

  • Electronic Transport in Mesoscopic Systems(Supriyo Datta)
  • Quantum Transport: Introduction to Nanoscience(Yuli V. Nazarov, Yaroslav M. Blanter)
  • Introduction to Mesoscopic Physics(Y. Imry)
  • “Quantum transport in semiconductor nanostructures”(综述与教材章节中常见用语,涵盖量子输运的经典框架与实验体系)
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