V2EX magneton

Magneton

定义 Definition

magneton(名词):磁子,物理学中表示粒子磁矩(magnetic moment)大小的单位;常见的有玻尔磁子(Bohr magneton)核磁子(nuclear magneton),用于量子物理与原子/核物理的计算与表述。
(另:Magneton 也可指宝可梦中的“三合一磁怪”,为专有名词用法。)

发音 Pronunciation (IPA)

/mntn/

例句 Examples

The electron’s magnetic moment is about one Bohr magneton.
电子的磁矩大约等于一个玻尔磁子。

In atomic spectroscopy, energy levels can split in a magnetic field, and the size of the splitting is often expressed in magnetons.
在原子光谱学中,能级会在磁场中发生分裂,而分裂的大小常常用磁子来表示。

词源 Etymology

magnetonmagnet(磁体、磁)加上科学术语常见的后缀 -on 构成,用来表示与磁性相关的“基本量/单位”。在量子理论发展过程中,物理学家用它来作为描述微观粒子磁矩的方便尺度(如玻尔磁子、核磁子)。

相关词 Related Words

文学与著名作品 Literary Works

  • The Feynman Lectures on Physics(费曼物理学讲义)
  • Introduction to Quantum Mechanics(David J. Griffiths,《量子力学导论》)
  • Modern Quantum Mechanics(J. J. Sakurai,《现代量子力学》)
  • Classical Electrodynamics(J. D. Jackson,《经典电动力学》)
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