V2EX stark effect

Stark Effect

定义 Definition

Stark effect(斯塔克效应):指外加电场会使原子或分子的能级发生移动与分裂,从而导致其光谱线(吸收/发射谱线)出现位移或分裂的现象。常见于原子物理与量子力学中(也可分为线性斯塔克效应与二次斯塔克效应等情况)。

发音 Pronunciation (IPA)

/strk fkt/
/stk fekt/

例句 Examples

The Stark effect can split a spectral line in an electric field.
斯塔克效应会在电场中使一条光谱线发生分裂。

In high-resolution spectroscopy, the Stark effect must be accounted for to avoid misinterpreting small shifts as new transitions.
在高分辨率光谱学中,必须考虑斯塔克效应,否则可能把微小位移误判为新的跃迁。

词源 Etymology

Stark effect 以德国物理学家 Johannes Stark(约翰内斯斯塔克) 命名;他在20世纪初研究并报道了电场对光谱线的影响。“effect”意为“效应/现象”,合起来即“斯塔克发现的电场致谱线变化现象”。

相关词 Related Words

文学与经典著作 Notable Works

  • The Feynman Lectures on Physics(《费曼物理学讲义》)
  • Introduction to Quantum Mechanics by David J. Griffiths(《量子力学导论》)
  • Quantum Mechanics by Cohen-Tannoudji, Diu & Lalo(《量子力学》)
  • Atomic Physics by C. J. Foot(《原子物理学》)
  • The Theory of Atomic Spectra by Condon & Shortley(《原子光谱理论》)
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