Physics:Quantum Electrodynamics (QED) - Revision history

WikiHarold: Restore missing Quantum reference definitions

2026-05-24T00:31:06Z

Restore missing Quantum reference definitions

← Older revision		Revision as of 00:31, 24 May 2026
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	* <math>e</math> is the electric charge		* <math>e</math> is the electric charge

	This structure encodes both free particle motion and their interaction.<ref name="peskin"/>		This structure encodes both free particle motion and their interaction.<ref name="peskin">Peskin, M. E.; Schroeder, D. V. ''An Introduction to Quantum Field Theory'' (1995).</ref>

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

	==References==		= References =
	{{reflist\|3}}		{{reflist\|3}}
	{{Author\|Harold Foppele}}		{{Author\|Harold Foppele}}

	{{Sourceattribution\|Physics:Quantum Electrodynamics (QED)\|1}}		{{Sourceattribution\|Physics:Quantum Electrodynamics (QED)\|1}}

Maintenance script: Normalize quantum page header order

2026-05-22T11:33:39Z

Normalize quantum page header order

← Older revision		Revision as of 11:33, 22 May 2026
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	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}
	{{Quantum article nav\|previous=Physics:Quantum Non-Abelian gauge theory\|previous label=Non-Abelian gauge theory\|next=Physics:Quantum chromodynamics (QCD)\|next label=Chromodynamics (QCD)}}		{{Quantum article nav\|previous=Physics:Quantum Non-Abelian gauge theory\|previous label=Non-Abelian gauge theory\|next=Physics:Quantum chromodynamics (QCD)\|next label=Chromodynamics (QCD)}}

	<div style="display:flex; gap:24px; align-items:flex-start; max-width:1200px;">		<div style="display:flex; gap:24px; align-items:flex-start; max-width:1200px;">

Maintenance script: Clean Book label remnants and backlink spacing

2026-05-22T11:11:57Z

Clean Book label remnants and backlink spacing

← Older revision		Revision as of 11:11, 22 May 2026
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	{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}		{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}

	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}
	{{Quantum article nav\|previous=Physics:Quantum Non-Abelian gauge theory\|previous label=Non-Abelian gauge theory\|next=Physics:Quantum chromodynamics (QCD)\|next label=Chromodynamics (QCD)}}		{{Quantum article nav\|previous=Physics:Quantum Non-Abelian gauge theory\|previous label=Non-Abelian gauge theory\|next=Physics:Quantum chromodynamics (QCD)\|next label=Chromodynamics (QCD)}}

Maintenance script: Remove hidden BOM characters and direct Book label after Short description

2026-05-22T11:04:10Z

Remove hidden BOM characters and direct Book label after Short description

← Older revision		Revision as of 11:04, 22 May 2026
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	{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}~~Book I~~		{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}

	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}

Maintenance script: Clean Short description prefix and add Book I label

2026-05-22T10:49:12Z

Clean Short description prefix and add Book I label

← Older revision		Revision as of 10:49, 22 May 2026
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	~~~~{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}		{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}Book I

	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}

Maintenance script: Apply Quantum previous-next navigation

2026-05-20T12:26:18Z

Apply Quantum previous-next navigation

← Older revision		Revision as of 12:26, 20 May 2026
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	{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}		{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}

	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}
			{{Quantum article nav\|previous=Physics:Quantum Non-Abelian gauge theory\|previous label=Non-Abelian gauge theory\|next=Physics:Quantum chromodynamics (QCD)\|next label=Chromodynamics (QCD)}}

	<div style="display:flex; gap:24px; align-items:flex-start; max-width:1200px;">		<div style="display:flex; gap:24px; align-items:flex-start; max-width:1200px;">

Maintenance script: Improve Book I intro quality

2026-05-20T09:05:10Z

Improve Book I intro quality

← Older revision		Revision as of 09:05, 20 May 2026
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	{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}		{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}

	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}
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	<div style="flex:1; line-height:1.45; color:#006b45; column-count:2; column-gap:32px; column-rule:1px solid #b8d8c8;">		<div style="flex:1; line-height:1.45; color:#006b45; column-count:2; column-gap:32px; column-rule:1px solid #b8d8c8;">
	'''Electrodynamics (QED)''' ~~is a Book I topic in the Quantum Collection. Quantum~~ electrodynamics (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons. It is one of the most precisely tested theories in physics. Electron–photon interaction in quantum electrodynamics represented by a Feynman diagram Quantum electrodynamics (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons. It is one of the most precisely tested theories in physics. In QED, the electromagnetic field is quantized, and its excitations are photons. Charged particles interact by emitting and absorbing these photons.~~</div>~~		'''Electrodynamics (QED)''' quantum electrodynamics (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons. It is one of the most precisely tested theories in physics. Electron–photon interaction in quantum electrodynamics represented by a Feynman diagram Quantum electrodynamics (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons. It is one of the most precisely tested theories in physics. In QED, the electromagnetic field is quantized, and its excitations are photons. Charged particles interact by emitting and absorbing these photons.
	~~</div>~~
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Maintenance script: Clean Book I red links, intro, and image slots

2026-05-20T08:16:46Z

Clean Book I red links, intro, and image slots

← Older revision		Revision as of 08:16, 20 May 2026
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	{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}		{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}

	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}
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	<div style="flex:1; line-height:1.45; color:#006b45; column-count:2; column-gap:32px; column-rule:1px solid #b8d8c8;">		<div style="flex:1; line-height:1.45; color:#006b45; column-count:2; column-gap:32px; column-rule:1px solid #b8d8c8;">
	'''~~Quantum electrodynamics~~''' (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons.~~<ref name="peskin">Peskin, M. E.; Schroeder, D. V. ''An Introduction to Quantum Field Theory'' (1995).</ref>~~ It is one of the most precisely tested theories in physics.		'''Electrodynamics (QED)''' is a Book I topic in the Quantum Collection. Quantum electrodynamics (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons. It is one of the most precisely tested theories in physics. Electron–photon interaction in quantum electrodynamics represented by a Feynman diagram Quantum electrodynamics (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons. It is one of the most precisely tested theories in physics. In QED, the electromagnetic field is quantized, and its excitations are photons. Charged particles interact by emitting and absorbing these photons.</div>

	~~<div style="float:right; border:1px solid #ccc; padding:4px; background:#fff8dc; margin:0 0 1em 1em; width:420px;">~~
	~~<div style="font-size:90%;">~~Electron–photon interaction in quantum electrodynamics represented by a Feynman diagram</div>
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Maintenance script: Normalize Book I Quantum page structure

2026-05-19T22:50:34Z

Normalize Book I Quantum page structure

← Older revision		Revision as of 22:50, 19 May 2026
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	{{Author\|Harold Foppele}}		{{Author\|Harold Foppele}}

	{{Sourceattribution\|Quantum ~~field theory~~ (~~QFT~~) ~~core~~\|1}}		{{Sourceattribution\|Physics:Quantum Electrodynamics (QED)\|1}}

Harold: Arrange page top as TOC lead image columns

2026-05-17T14:02:17Z

Arrange page top as TOC lead image columns

← Older revision		Revision as of 14:02, 17 May 2026
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	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}

			<div style="display:flex; gap:24px; align-items:flex-start; max-width:1200px;">

			<div style="width:280px;">
			__TOC__
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			<div style="flex:1; line-height:1.45; color:#006b45; column-count:2; column-gap:32px; column-rule:1px solid #b8d8c8;">
	'''Quantum electrodynamics''' (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons.<ref name="peskin">Peskin, M. E.; Schroeder, D. V. ''An Introduction to Quantum Field Theory'' (1995).</ref> It is one of the most precisely tested theories in physics.		'''Quantum electrodynamics''' (QED) is the quantum field theory of the electromagnetic interaction, describing how charged particles such as electrons interact with the electromagnetic field through the exchange of photons.<ref name="peskin">Peskin, M. E.; Schroeder, D. V. ''An Introduction to Quantum Field Theory'' (1995).</ref> It is one of the most precisely tested theories in physics.

	<div style="float:right; border:1px solid #ccc; padding:4px; background:#fff8dc; margin:0 0 1em 1em; width:420px;">		<div style="float:right; border:1px solid #ccc; padding:4px; background:#fff8dc; margin:0 0 1em 1em; width:420px;">
	~~[[File:QED_interaction_diagram.jpg\|400px]]~~
	<div style="font-size:90%;">Electron–photon interaction in quantum electrodynamics represented by a Feynman diagram</div>		<div style="font-size:90%;">Electron–photon interaction in quantum electrodynamics represented by a Feynman diagram</div>
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			<div style="width:300px;">
			[[File:QED_interaction_diagram.jpg\|thumb\|280px\|Quantum Electrodynamics (QED).]]
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	</div>		</div>

← Older revision		Revision as of 11:11, 22 May 2026
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	{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}		{{Short description\|Relativistic quantum field theory describing the interaction of charged particles with the electromagnetic field}}

	{{Quantum book backlink\|Quantum field theory}}		{{Quantum book backlink\|Quantum field theory}}
	{{Quantum article nav\|previous=Physics:Quantum Non-Abelian gauge theory\|previous label=Non-Abelian gauge theory\|next=Physics:Quantum chromodynamics (QCD)\|next label=Chromodynamics (QCD)}}		{{Quantum article nav\|previous=Physics:Quantum Non-Abelian gauge theory\|previous label=Non-Abelian gauge theory\|next=Physics:Quantum chromodynamics (QCD)\|next label=Chromodynamics (QCD)}}