V2EX pauli exclusion principle

Pauli Exclusion Principle

定义 Definition

泡利不相容原理:在量子力学中,两个完全相同的费米子(如电子、质子、中子等自旋为半整数的粒子)不能同时占据同一个量子态。在原子里常表述为:同一原子中不可能有两颗电子具有完全相同的一组量子数。(该原理在解释元素周期表结构与物质稳定性中非常关键。)

发音 Pronunciation (IPA)

/pali ksklun prnspl/

例句 Examples

Electrons in an atom must obey the Pauli exclusion principle.
原子中的电子必须遵守泡利不相容原理。

The stability of white dwarf stars is partly explained by electron degeneracy pressure arising from the Pauli exclusion principle.
白矮星的稳定性部分可由泡利不相容原理导致的电子简并压来解释。

词源 Etymology

该术语以奥地利物理学家 Wolfgang Pauli(沃尔夫冈泡利)命名;他在 1925 年提出这一原理,用来解释原子光谱与电子排布规律。“Exclusion”意为“排斥/排除”,强调“同一量子态被占用时会排除另一个相同费米子的进入”。

相关词 Related Words

文学与名著用例 Literary Works

  • Wolfgang Pauli (1925), ber den Zusammenhang des Abschlusses der Elektronengruppen im Atom mit der Komplexstruktur der Spektren(提出并阐述该原理的经典论文)
  • Richard P. Feynman, Robert B. Leighton, Matthew Sands, The Feynman Lectures on Physics(讲解原理及其对物质性质的影响)
  • David J. Griffiths, Introduction to Quantum Mechanics(以教学方式介绍费米子对称性与不相容原理)
  • P. A. M. Dirac, The Principles of Quantum Mechanics(从波函数对称性角度讨论相关结论)
  • Neil deGrasse Tyson, Michael A. Strauss, J. Richard Gott, Welcome to the Universe(面向大众读者提及其在恒星与物质稳定性中的作用)
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