V2EX larmor

Larmor

释义 Definition

Larmor(拉莫尔):物理学中的专名,常见于 Larmor precession(拉莫尔进动)Larmor frequency(拉莫尔频率)Larmor radius(拉莫尔半径/回旋半径) 等术语,指带磁矩或带电粒子在磁场中绕磁场方向发生的进动或回旋运动的相关量。

发音 Pronunciation

/lrmr/

例句 Examples

The Larmor frequency increases with the strength of the magnetic field.
拉莫尔频率会随着磁场强度的增大而升高。

In nuclear magnetic resonance, the signal depends on how spins undergo Larmor precession around the external field.
在核磁共振中,信号取决于自旋如何围绕外加磁场发生拉莫尔进动。

词源 Etymology

Larmor 来自人名,纪念爱尔兰物理学家 Sir Joseph Larmor(约瑟夫拉莫尔);相关概念用于描述磁场中自旋或带电粒子的经典/量子运动特征,因此以他的姓氏命名并固定为专业术语的一部分。

相关词 Related Words

文献与作品 Literary Works

  • Joseph Larmor, Aether and Matter(《以太与物质》)
  • J. D. Jackson, Classical Electrodynamics(《经典电动力学》)
  • David J. Griffiths, Introduction to Electrodynamics(《电动力学导论》)
  • Charles P. Slichter, Principles of Magnetic Resonance(《磁共振原理》)
  • Richard P. Feynman et al., The Feynman Lectures on Physics(《费曼物理学讲义》)
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