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pauli exclusion principle

 

Definitions from WordNet

Noun pauli exclusion principle has 1 sense
  1. Pauli exclusion principle, exclusion principle - no two electrons or protons or neutrons in a given system can be in states characterized by the same set of quantum numbers
    --1 is a kind of law, law of nature

Definitions from the Web

Pauli Exclusion Principle

The Pauli Exclusion Principle, named after the renowned physicist Wolfgang Pauli, is a fundamental principle in quantum mechanics. It states that no two identical fermions can occupy the same quantum state simultaneously.

Sense 1: Physics

In physics, the Pauli Exclusion Principle is a fundamental concept that prohibits two identical fermions, such as electrons, from occupying the same quantum state within an atom. This principle plays a crucial role in determining the electronic configurations of atoms and the behavior of matter at the quantum level.

Example sentence: The stability of matter and the organization of electrons in atoms can be explained by the Pauli Exclusion Principle.

Sense 2: Chemistry

In chemistry, the Pauli Exclusion Principle influences the arrangement of electrons in atomic orbitals and the formation of chemical bonds. This principle elucidates the structure and chemical behavior of atoms, ultimately governing the diversity and properties of chemical elements.

Example sentence: The bonding patterns in molecules can be predicted by considering the Pauli Exclusion Principle.

Sense 3: Astrophysics

In astrophysics, the Pauli Exclusion Principle plays a significant role in the behavior of dense stellar objects, such as white dwarfs and neutron stars. This principle sets limits on how densely matter can be packed in such extreme conditions, preventing the collapse of matter into a singularity.

Example sentence: The Pauli Exclusion Principle prevents white dwarfs from collapsing further under their own gravity.

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