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单词 Pauli exclusion principle
释义

Definition of Pauli exclusion principle in English:

Pauli exclusion principle

(also Pauli's exclusion principle)
nounˈpaʊli
Physics
  • The assertion that no two fermions can have the same quantum number.

    〔物理〕泡利不相容原理

    Example sentencesExamples
    • That's a more precise statement of the Pauli exclusion principle.
    • There are so many unoccupied electron states in metals that an electron can wander freely without being limited by the Pauli exclusion principle.
    • In addition to electrons, the Pauli exclusion principle applies to all sub-atomic particles with half-integral spins, known as fermions, such as neutrons and protons.
    • Fermions obey the Pauli exclusion principle, which means that two of them cannot occupy the same quantum state.
    • For electrons, the Pauli exclusion principle paradoxically leads to an effective attraction that balances the particles' electrostatic repulsion at short distances.

Origin

1920s: named after W. Pauli (see Pauli, Wolfgang).

Definition of Pauli exclusion principle in US English:

Pauli exclusion principle

(also Pauli's exclusion principle)
noun
Physics
  • The assertion that no two fermions can have the same quantum number.

    〔物理〕泡利不相容原理

    Example sentencesExamples
    • For electrons, the Pauli exclusion principle paradoxically leads to an effective attraction that balances the particles' electrostatic repulsion at short distances.
    • Fermions obey the Pauli exclusion principle, which means that two of them cannot occupy the same quantum state.
    • There are so many unoccupied electron states in metals that an electron can wander freely without being limited by the Pauli exclusion principle.
    • In addition to electrons, the Pauli exclusion principle applies to all sub-atomic particles with half-integral spins, known as fermions, such as neutrons and protons.
    • That's a more precise statement of the Pauli exclusion principle.

Origin

1920s: named after W. Pauli (see Pauli, Wolfgang).

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更新时间:2025/1/14 6:02:37