Physics:Quantum fields/symmetry: Difference between revisions

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imported>WikiHarold
Created page with "{{Short description|Invariance of a physical system under transformations}} ← Back to Matter by scale '''Symmetry''' is a property of a physical system that remains unchanged under certain transformations. In quantum theory, symmetry principles play a central role in determining the behavior of fields and the nature of interactions. <div style="float:right; border:1px solid #e0d890; backg..."
 
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Latest revision as of 18:50, 27 April 2026


← Back to Matter by scale

Symmetry is a property of a physical system that remains unchanged under certain transformations. In quantum theory, symmetry principles play a central role in determining the behavior of fields and the nature of interactions.

File:Symmetry transformation.png

A system exhibits symmetry if it remains unchanged under specific transformations.

Description

Symmetries describe invariances such as rotations, translations, or internal transformations. In modern physics, they are deeply connected to conservation laws and the structure of interactions.

Gauge theories are based on symmetry principles, where requiring invariance under certain transformations leads to the introduction of gauge fields.

Properties

  • invariance under transformations
  • linked to conservation laws
  • determines structure of interactions

See also

Table of contents (185 articles)

Index

Full contents

9. Quantum optics and experiments (5) ↑ Back to index
14. Plasma and fusion physics (8) ↑ Back to index
Conceptual illustration of plasma physics in a fusion context, showing magnetically confined ionized gas in a tokamak and the collective behavior governed by electromagnetic fields and transport processes.
Conceptual illustration of plasma physics in a fusion context, showing magnetically confined ionized gas in a tokamak and the collective behavior governed by electromagnetic fields and transport processes.

References


Author: Harold Foppele

Source attribution: Physics:Quantum fields/symmetry

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