V2EX sommerfeld model

Sommerfeld Model

释义 Definition

Sommerfeld model(索末菲模型):一种对玻尔原子模型的改进(属于“旧量子论”时期)。它允许电子在原子核周围做椭圆轨道运动,并加入相对论修正等因素,用来更好解释氢原子谱线的精细结构(fine structure)等现象。(还有其他更现代的量子力学模型与表述。)

发音 Pronunciation (IPA)

/zmfld mdl/

例句 Examples

The Sommerfeld model improved on Bohr’s model.
索末菲模型对玻尔模型作了改进。

By allowing elliptical electron orbits and adding relativistic corrections, the Sommerfeld model helped explain the fine structure of hydrogen spectral lines.
通过允许电子作椭圆轨道运动并加入相对论修正,索末菲模型有助于解释氢原子谱线的精细结构。

词源 Etymology

该术语以德国物理学家Arnold Sommerfeld(阿诺德索末菲)命名。他在20世纪初提出对玻尔模型的扩展:把电子轨道从圆形推广到椭圆,并引入与高速运动相关的相对论效应,从而在当时更接近实验观察到的谱线细节。

相关词 Related Words

文学与名著中的出现 Literary Works

  • Atombau und Spektrallinien(《原子结构与谱线》, Arnold Sommerfeld)
  • The Conceptual Development of Quantum Mechanics(Max Jammer)
  • Introduction to Quantum Mechanics(David J. Griffiths 等教材中常作为历史模型提及)
  • Quantum Physics of Atoms, Molecules, Solids, Nuclei, and Particles(Eisberg & Resnick,常在原子谱与旧量子论章节出现)
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