V2EX electromagnetic interaction

Electromagnetic Interaction

Definition|定义

电磁相互作用:由带电粒子之间的电荷与电流产生并通过电磁场传递的基本相互作用之一,涵盖电力、磁力以及光(电磁波)等现象。(它也是自然界“四种基本相互作用”之一。)

Pronunciation|发音

/lktrmntk ntrkn/

Examples|例句

Electromagnetic interaction holds electrons around the nucleus.
电磁相互作用使电子束缚在原子核周围。

At the quantum level, electromagnetic interaction is described by quantum electrodynamics, explaining how charged particles exchange photons and produce observable forces.
在量子层面,电磁相互作用可由量子电动力学来描述,解释带电粒子如何通过交换光子产生可观测的力。

Etymology|词源

electromagneticelectro-(电,源自希腊语 ēlektron,意为“琥珀”,古人发现摩擦琥珀会产生静电)与 magnetic(磁的,源自希腊语 magnētis,与“磁石”相关)组合而成,表示“电与磁共同相关的”。interaction 来自拉丁语 *inter-*(在……之间)+ actio(行动、作用),整体表示“彼此之间的作用”。合起来即“电磁方面的相互作用”。

Related Words|相关词

Literary Works|文学作品

  • Richard P. Feynman, The Feynman Lectures on Physics(《费曼物理学讲义》):在电磁学与场论相关章节中频繁讨论电磁相互作用的物理图景。
  • David J. Griffiths, Introduction to Electrodynamics(《电动力学导论》):以经典电磁场为主线系统呈现电磁相互作用及其方程描述。
  • Richard P. Feynman, QED: The Strange Theory of Light and Matter(《QED:光与物质的奇妙理论》):用通俗方式解释电磁相互作用在量子层面的核心机制(如光子交换)。
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