V2EX quantum wire

Quantum Wire

Definition / 定义

量子线:一种准一维(1D)的纳米结构(常见于半导体/纳米电子学中),电子或空穴在横向两个方向被强烈限制,只能主要沿一条方向运动,因此会出现能级量子化、一维输运等独特量子效应。常用于研究与实现纳米尺度晶体管、量子输运与光电器件。

Pronunciation / 发音

/kwntm war/
/kwntm war/

Examples / 例句

The researchers fabricated a quantum wire on a silicon chip.
研究人员在硅芯片上制备了一条量子线。

At very low temperatures, a quantum wire can show quantized conductance because electrons are confined to a one-dimensional channel.
在极低温下,量子线可能出现电导量子化现象,因为电子被限制在一维通道中运动。

Etymology / 词源

quantum 源自拉丁语 quantus(“多少、数量”),在物理学中指“量子(能量等物理量的最小离散单位)”;wire 原意是“金属丝/导线”。合起来 quantum wire 直译为“量子(尺度的)线”,强调其尺度与行为由量子效应主导,且结构与载流子运动近似“一条线”。

Related Words / 相关词

Literary Works / 文学作品

  • Quantum Transport: Atom to Transistor(量子输运主题著作中常讨论量子线/一维通道模型)
  • Introduction to Mesoscopic Physics(中观物理入门书中常以量子线讲解一维量子输运)
  • The Physics of Low-Dimensional Semiconductors(低维半导体物理相关著作中常出现“quantum wire”作为核心术语)
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