V2EX relativistic correction

Relativistic Correction

释义 Definition

相对论修正:在物理计算中,为了考虑狭义相对论效应(例如高速运动时质量、能量、时间等关系发生变化),对原本的非相对论近似公式(如牛顿力学、非相对论量子力学结果)加入的改正项或改正方法。常见于原子光谱精细结构粒子运动能量电磁相互作用等问题中。

发音 Pronunciation (IPA)

/rltvstk krkn/

例句 Examples

The relativistic correction becomes important when particles move close to the speed of light.
当粒子的速度接近光速时,相对论修正就变得很重要。

In atomic physics, the relativistic correction to the electron’s kinetic energy helps explain the fine structure of spectral lines.
在原子物理中,对电子动能进行相对论修正有助于解释光谱线的精细结构。

词源 Etymology

relativistic 来自 relativity(相对论)+ 形容词后缀 -istic(表示“与……相关的/有……特征的”),意为“相对论的”。
correction 源自拉丁语 corrigere(纠正、改正),经法语演变进入英语,表示“对误差或近似的修正/改正”。合起来就是“用相对论观点进行的修正”。

相关词 Related Words

文学与名著用例 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》)中在讨论高速粒子与相对论动力学时会涉及对经典结果的相对论修正。
  • J. D. Jackson, Classical Electrodynamics(《经典电动力学》)在处理辐射、带电粒子运动等问题时常出现相对论修正的思想与表达。
  • L. D. Landau & E. M. Lifshitz, Quantum Mechanics: Non-Relativistic Theory(《量子力学:非相对论理论》)讨论原子结构与精细结构时会用到相对论修正(例如对动能项的修正与自旋-轨道耦合相关内容)。
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