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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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{{Short description|Invariance of a physical system under transformations}}
{{Short description|Invariance of a physical system under transformations}}


[[Book:Quantum Collection/Matter (by scale)|← Back to Matter by scale]]
{{Quantum matter backlink|Fields}}


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'''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 [[Physics:Quantum fields/field|fields]] and the nature of interactions.
'''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 [[Physics:Quantum fields/field|fields]] and the nature of interactions.
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[[File:Symmetry_transformation.png|thumb|280px|A system exhibits symmetry if it remains unchanged under specific transformations.]]
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<div style="font-size:90%;">A system exhibits symmetry if it remains unchanged under specific transformations.</div>
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Revision as of 21:52, 17 May 2026


← Back to Fields Book II

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 (217 articles)

Index

Full contents

References


Author: Harold Foppele


Source attribution: Physics:Quantum fields/symmetry

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