Physics:Quantum Higgs field - Revision history

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	~~The~~ '''~~quantum~~ Higgs field''' is a scalar field in the Standard Model whose nonzero vacuum value is associated with electroweak symmetry breaking. Its excitation is the Higgs boson. The field is central because it allows the W and Z bosons and many fermions to acquire mass while preserving the gauge structure of the electroweak theory.~~<ref>{{cite web \|title=~~Higgs field ~~\|url=https://en~~.~~wikipedia~~.~~org/wiki/Higgs_field \|website=Wikipedia \|access-date=19 May 2026}}</ref><ref>{{cite journal \|collaboration=Particle Data Group \|title=Review~~ of ~~Particle Physics \|journal=Physical Review D \|volume=110 \|issue=3 \|pages=030001 \|year=2024 \|id=DOI 10.1103/PhysRevD.110~~.~~030001}}</ref>~~		'''Higgs field''' is a Book II topic in the Quantum Collection. The quantum Higgs field is a scalar field in the Standard Model whose nonzero vacuum value is associated with electroweak symmetry breaking. Its excitation is the Higgs boson. The field is central because it allows the W and Z bosons and many fermions to acquire mass while preserving the gauge structure of the electroweak theory. The quantum Higgs field is a scalar field in the Standard Model whose nonzero vacuum value is associated with electroweak symmetry breaking. Its excitation is the Higgs boson. The field is central because it allows the W and Z bosons and many fermions to acquire mass while preserving the gauge structure of the electroweak theory.
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	== Higgs boson ==		== Higgs boson ==
	Small excitations around the vacuum value appear as Higgs bosons. Measurements of Higgs production and decay test whether this field behaves as predicted or whether additional scalar fields or interactions are present.<ref>{{cite journal \|collaboration=Particle Data Group \|title=Review of Particle Physics \|journal=Physical Review D \|volume=110 \|issue=3 \|pages=030001 \|year=2024 \|id=DOI 10.1103/PhysRevD.110.030001}}</ref>		Small excitations around the vacuum value appear as Higgs bosons. Measurements of Higgs production and decay test whether this field behaves as predicted or whether additional scalar fields or interactions are present.<ref>{{cite journal \|collaboration=Particle Data Group \|title=Review of Particle Physics \|journal=Physical Review D \|volume=110 \|issue=3 \|pages=030001 \|year=2024 \|id=DOI 10.1103/PhysRevD.110.030001}}</ref>

			== Description ==
			'''Higgs field''' is a matter-scale concept used to organize how quantum theory describes atoms, particles, fields, condensed matter, plasma, or spacetime-related systems. In the Quantum Collection it is placed by scale so the reader can move from materials and molecules down to subatomic degrees of freedom.

			== Quantum context ==
			At this scale, the relevant behavior is controlled by quantized states, interactions, conservation laws, and the way excitations or particles are observed. The concept is normally linked to measurable properties such as energy, momentum, charge, spin, spectra, scattering rates, or collective modes.

			== Role in the collection ==
			This page provides a compact reference point for related pages in Book II. It should be read together with nearby matter-scale topics and the corresponding foundations in [[Physics:Quantum mechanics\|quantum mechanics]].<ref name="matter-wiki">{{cite web \|url=https://en.wikipedia.org/wiki/Quantum_mechanics \|title=Quantum mechanics \|website=Wikipedia \|access-date=2026-05-20}}</ref>

	=See also=		=See also=

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	The '''quantum Higgs field''' is a scalar field in the Standard Model whose nonzero vacuum value is associated with electroweak symmetry breaking. Its excitation is the Higgs boson. The field is central because it allows the W and Z bosons and many fermions to acquire mass while preserving the gauge structure of the electroweak theory.<ref>{{cite web \|title=Higgs field \|url=https://en.wikipedia.org/wiki/Higgs_field \|website=Wikipedia \|access-date=19 May 2026}}</ref><ref>{{cite journal \|collaboration=Particle Data Group \|title=Review of Particle Physics \|journal=Physical Review D \|volume=110 \|issue=3 \|pages=030001 \|year=2024 \|~~doi~~=10.1103/PhysRevD.110.030001}}</ref>		The '''quantum Higgs field''' is a scalar field in the Standard Model whose nonzero vacuum value is associated with electroweak symmetry breaking. Its excitation is the Higgs boson. The field is central because it allows the W and Z bosons and many fermions to acquire mass while preserving the gauge structure of the electroweak theory.<ref>{{cite web \|title=Higgs field \|url=https://en.wikipedia.org/wiki/Higgs_field \|website=Wikipedia \|access-date=19 May 2026}}</ref><ref>{{cite journal \|collaboration=Particle Data Group \|title=Review of Particle Physics \|journal=Physical Review D \|volume=110 \|issue=3 \|pages=030001 \|year=2024 \|id=DOI 10.1103/PhysRevD.110.030001}}</ref>
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	== Scalar-field character ==		== Scalar-field character ==
	The Higgs field is a scalar field, meaning its simplest observable value does not carry a spatial direction like a vector field. In the electroweak theory it is arranged as a complex field with components that interact with gauge and matter fields.<ref>{{cite book \|last=Schwartz \|first=Matthew D. \|title=Quantum Field Theory and the Standard Model \|publisher=Cambridge University Press \|year=2014 \|~~isbn~~=978-1-107-03473-0}}</ref>		The Higgs field is a scalar field, meaning its simplest observable value does not carry a spatial direction like a vector field. In the electroweak theory it is arranged as a complex field with components that interact with gauge and matter fields.<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>

	== Vacuum value ==		== Vacuum value ==
	The Higgs field has a nonzero value even in the lowest-energy state. This vacuum value changes the form of the electroweak fields and produces massive weak bosons while leaving the photon massless.<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 \|~~isbn~~=978-0-201-50397-5}}</ref>		The Higgs field has a nonzero value even in the lowest-energy state. This vacuum value changes the form of the electroweak fields and produces massive weak bosons while leaving the photon massless.<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>

	== Higgs boson ==		== Higgs boson ==
	Small excitations around the vacuum value appear as Higgs bosons. Measurements of Higgs production and decay test whether this field behaves as predicted or whether additional scalar fields or interactions are present.<ref>{{cite journal \|collaboration=Particle Data Group \|title=Review of Particle Physics \|journal=Physical Review D \|volume=110 \|issue=3 \|pages=030001 \|year=2024 \|~~doi~~=10.1103/PhysRevD.110.030001}}</ref>		Small excitations around the vacuum value appear as Higgs bosons. Measurements of Higgs production and decay test whether this field behaves as predicted or whether additional scalar fields or interactions are present.<ref>{{cite journal \|collaboration=Particle Data Group \|title=Review of Particle Physics \|journal=Physical Review D \|volume=110 \|issue=3 \|pages=030001 \|year=2024 \|id=DOI 10.1103/PhysRevD.110.030001}}</ref>

	=See also=		=See also=

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{{Short description|Scalar field associated with electroweak symmetry breaking}}

{{Quantum matter backlink|Fields}}

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The '''quantum Higgs field''' is a scalar field in the Standard Model whose nonzero vacuum value is associated with electroweak symmetry breaking. Its excitation is the Higgs boson. The field is central because it allows the W and Z bosons and many fermions to acquire mass while preserving the gauge structure of the electroweak theory.<ref>{{cite web |title=Higgs field |url=https://en.wikipedia.org/wiki/Higgs_field |website=Wikipedia |access-date=19 May 2026}}</ref><ref>{{cite journal |collaboration=Particle Data Group |title=Review of Particle Physics |journal=Physical Review D |volume=110 |issue=3 |pages=030001 |year=2024 |doi=10.1103/PhysRevD.110.030001}}</ref>
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[[File:Quantum_Higgs_field_yellow.png|thumb|280px|Higgs field: scalar field with vacuum value and particle excitation.]]
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== Scalar-field character ==
The Higgs field is a scalar field, meaning its simplest observable value does not carry a spatial direction like a vector field. In the electroweak theory it is arranged as a complex field with components that interact with gauge and matter fields.<ref>{{cite book |last=Schwartz |first=Matthew D. |title=Quantum Field Theory and the Standard Model |publisher=Cambridge University Press |year=2014 |isbn=978-1-107-03473-0}}</ref>

== Vacuum value ==
The Higgs field has a nonzero value even in the lowest-energy state. This vacuum value changes the form of the electroweak fields and produces massive weak bosons while leaving the photon massless.<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 |isbn=978-0-201-50397-5}}</ref>

== Higgs boson ==
Small excitations around the vacuum value appear as Higgs bosons. Measurements of Higgs production and decay test whether this field behaves as predicted or whether additional scalar fields or interactions are present.<ref>{{cite journal |collaboration=Particle Data Group |title=Review of Particle Physics |journal=Physical Review D |volume=110 |issue=3 |pages=030001 |year=2024 |doi=10.1103/PhysRevD.110.030001}}</ref>

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

=References=
{{reflist|3}}

{{Author|Harold Foppele}}

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