Physics:Quantum fields/field: Difference between revisions

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Created page with "{{Short description|Physical quantity defined at every point in space and time}} ← Back to Matter by scale A '''field''' is a physical quantity that has a value at every point in space and time. In modern physics, fields provide the fundamental description of nature, underlying both particles and interactions. <div style="float:right; border:1px solid #e0d890; background:#fff8cc; padding:6px; margin:0 0 1em 1em; width:32..."
 
imported>WikiHarold
Created page with "{{Short description|Physical quantity defined at every point in space and time}} ← Back to Matter by scale A '''field''' is a physical quantity that has a value at every point in space and time. In modern physics, fields provide the fundamental description of nature, underlying both particles and interactions. <div style="float:right; border:1px solid #e0d890; background:#fff8cc; padding:6px; margin:0 0 1em 1em; width:32..."
 
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Latest revision as of 18:44, 27 April 2026


← Back to Matter by scale

A field is a physical quantity that has a value at every point in space and time. In modern physics, fields provide the fundamental description of nature, underlying both particles and interactions.

File:Field visualization.png

A field assigns values (such as strength or direction) to every point in space.

Description

Fields describe how physical quantities vary across space and time. Classical examples include electric and gravitational fields, while in quantum theory fields are the basis for describing particles.

Properties

  • defined at every point in space and time
  • can carry energy and momentum
  • underlying description of physical systems

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/field

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