V2EX coulomb repulsion

Coulomb Repulsion

Definition / 释义

库仑斥力(库仑排斥):在静电学中,同号电荷之间由于库仑定律而产生的相互排斥力;在化学与材料科学中也常指带同种电荷的粒子(如离子、电子云等)之间的排斥相互作用。(相对地,异号电荷之间为库仑吸引)

Pronunciation / 发音(IPA)

/kulm rpln/
/kulm rpln/

Examples / 例句

Like charges experience Coulomb repulsion.
同号电荷会受到库仑斥力。

In ionic crystals, Coulomb repulsion between nearby like-charged ions helps determine the stable lattice spacing.
在离子晶体中,近邻同号离子之间的库仑斥力会影响稳定晶格间距的大小。

Etymology / 词源

Coulomb 来自法国物理学家 Charles-Augustin de Coulomb(库仑) 的姓氏,用于纪念他对静电力规律的研究;repulsion 源自拉丁语词根 pellere(“驱赶、推开”)及其派生形式,整体表达“被推开、相互排斥”的含义。

Related Words / 相关词汇

Literary Works / 文献与作品中的用例

  • C. A. de Coulomb:《Premier mémoire sur l’électricité et le magnétisme》(1785)中系统阐述静电力规律(与库仑斥力概念直接相关)。
  • David J. Griffiths:《Introduction to Electrodynamics(电动力学导论)》中在静电学章节讨论同号电荷的排斥与电场、电势关系。
  • J. D. Jackson:《Classical Electrodynamics(经典电动力学)》中以更一般的形式处理库仑相互作用与相关能量表达。
  • Richard P. Feynman, Robert B. Leighton, Matthew Sands:《The Feynman Lectures on Physics(费曼物理学讲义)》中用直观语言讲解电荷间吸引与排斥现象。
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