Physics:Quantum vacuum field: Difference between revisions

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{{Short description|Quantum matter topic related to quantum vacuum field}}
{{Short description|Ground-state behavior of a quantum field}}


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'''Quantum vacuum field''' is a topic in quantum matter and quantum physics.
A '''quantum vacuum field''' is a quantum field considered in or near its vacuum state. Even without ordinary particles, a field can have zero-point fluctuations, correlations, and vacuum expectation values that affect observable physics.<ref>{{cite web |title=Vacuum state |url=https://en.wikipedia.org/wiki/Vacuum_state |website=Wikipedia |access-date=20 May 2026}}</ref><ref>{{cite book |last=Schwartz |first=Matthew D. |title=Quantum Field Theory and the Standard Model |publisher=Cambridge University Press |year=2014 |id=ISBN 978-1-107-03473-0}}</ref>
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[[File:Quantum_vacuum_field_yellow.png|thumb|280px|Vacuum field: ground-state field fluctuations.]]
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== Overview ==
== Core idea ==
This page is a starter article for the Quantum Collection. It should describe the role of '''Quantum vacuum field''' in the study of quantum matter, particles, fields, vacuum structure, or spacetime.
The field viewpoint replaces isolated particle pictures with states, modes, operators, and excitations. It is especially powerful when particle number can change.<ref>{{cite book |last=Schwartz |first=Matthew D. |title=Quantum Field Theory and the Standard Model |publisher=Cambridge University Press |year=2014 |id=ISBN 978-1-107-03473-0}}</ref>
 
== Use in quantum physics ==
Field concepts organize interactions, conservation laws, measurement outcomes, and effective descriptions across particle physics, optics, condensed matter, and cosmology.<ref>{{cite book |last1=Peskin |first1=Michael E. |last2=Schroeder |first2=Daniel V. |title=An Introduction to Quantum Field Theory |publisher=Addison-Wesley |year=1995 |id=ISBN 978-0-201-50397-5}}</ref>


=See also=
=See also=
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{{Author|Harold Foppele}}
{{Author|Harold Foppele}}


{{Sourceattribution|Quantum vacuum field|1}}
{{Sourceattribution|Physics:Quantum vacuum field|1}}

Revision as of 22:04, 19 May 2026


← Back to Fields

A quantum vacuum field is a quantum field considered in or near its vacuum state. Even without ordinary particles, a field can have zero-point fluctuations, correlations, and vacuum expectation values that affect observable physics.[1][2]

Vacuum field: ground-state field fluctuations.

Core idea

The field viewpoint replaces isolated particle pictures with states, modes, operators, and excitations. It is especially powerful when particle number can change.[3]

Use in quantum physics

Field concepts organize interactions, conservation laws, measurement outcomes, and effective descriptions across particle physics, optics, condensed matter, and cosmology.[4]

See also

Table of contents (84 articles)

Index

Full contents

References

  1. ↑ "Vacuum state". https://en.wikipedia.org/wiki/Vacuum_state. 
  2. ↑ Schwartz, Matthew D. (2014). Quantum Field Theory and the Standard Model. Cambridge University Press. ISBN 978-1-107-03473-0. 
  3. ↑ Schwartz, Matthew D. (2014). Quantum Field Theory and the Standard Model. Cambridge University Press. ISBN 978-1-107-03473-0. 
  4. ↑ Peskin, Michael E.; Schroeder, Daniel V. (1995). An Introduction to Quantum Field Theory. Addison-Wesley. ISBN 978-0-201-50397-5. 


Author: Harold Foppele


Source attribution: Physics:Quantum vacuum field

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