Physics:Quantum fields/symmetry - Revision history

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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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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.

2026-04-27T18:50:13Z

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}}

[[Book:Quantum Collection/Matter (by scale)|← 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 [[Physics:Quantum fields/field|fields]] and the nature of interactions.

<div style="float:right; border:1px solid #e0d890; background:#fff8cc; padding:6px; margin:0 0 1em 1em; width:320px;">
[[File:Symmetry_transformation.png|300px]]
<div style="font-size:90%;">A system exhibits symmetry if it remains unchanged under specific transformations.</div>
</div>

== 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 [[Physics:Quantum fields/gauge field|gauge fields]].

== Properties ==

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

=See also=
{{#invoke:PhysicsQC|tocHeadingAndList|Physics:Quantum basics/See also}}

=References=
{{reflist|3}}

{{Author|Harold Foppele}}
{{Sourceattribution|Physics:Quantum fields/symmetry|1}}