exclusion principle

American  

noun

Physics.

1. the principle that in any system described by quantum mechanics no two identical particles having spin equal to half an odd integer can be in the same quantum state: first postulated for the electrons in atoms.

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exclusion principle British  

noun

1. See Pauli exclusion principle

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exclusion principle Scientific  

/ ĭk-sklo̅o̅′zhən /

1. See Pauli exclusion principle

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Etymology

Origin of exclusion principle

First recorded in 1925–30

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Example Sentences

See Examples For:

exclusion principle

Pauli’s exclusion principle was merely a special case of this spin-statistics theorem, as it came to be known.

From Scientific American ● Nov. 22, 2022

Understanding the origin of Pauli’s exclusion principle would unlock explanations for all of these deep facts of quotidian life.

From Scientific American ● Nov. 22, 2022

Fermions obey the Pauli exclusion principle whereas bosons do not.

From Textbooks ● Aug. 12, 2015

Counting the number of possible combinations of quantum numbers allowed by the exclusion principle, we can determine how many electrons it takes to fill each subshell and shell.

From Textbooks ● Aug. 12, 2015

A quantum-mechanical law called the Pauli exclusion principle keeps matter from squishing itself into a point.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

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