Larmor formula

E402674

physical law result in classical electrodynamics

The Larmor formula is a fundamental result in classical electrodynamics that gives the power radiated by an accelerating electric charge.

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All labels observed (3)

Label	Occurrences
Larmor formula canonical	2
Larmor radiation	1
Liénard formula for relativistic charges	1

Statements (47)

Predicate	Object
instanceOf	physical law ⓘ result in classical electrodynamics ⓘ
appliesTo	non-relativistic point charge ⓘ
approximationType	non-relativistic approximation ⓘ
assumes	classical point charge ⓘ flat spacetime ⓘ non-relativistic velocities ⓘ vacuum ⓘ
category	electromagnetic radiation formulas ⓘ power formulas in physics ⓘ
concerns	accelerated charges ⓘ electromagnetic radiation ⓘ
dependsOn	square of the acceleration magnitude ⓘ square of the charge ⓘ
derivedFrom	Lienard–Wiechert potentials ⓘ Maxwell's equations ⓘ surface form: Maxwell equations Poynting vector ⓘ
describes	power radiated by an accelerating electric charge ⓘ
expresses	radiated power in terms of charge and acceleration ⓘ
field	classical electrodynamics ⓘ
framework	classical electromagnetism ⓘ
generalizedBy	Larmor formula self-linksurface differs ⓘ surface form: Liénard formula for relativistic charges
gives	total power radiated by an accelerating charge ⓘ
hasNonRelativisticForm	P = (2/3)(q^2 a^2)/(4π ε0 c^3) in SI units ⓘ P = (2/3)(q^2 a^2)/c^3 in Gaussian units ⓘ
implies	uniformly moving charge does not radiate ⓘ
independentOf	direction of acceleration ⓘ sign of the charge ⓘ
introducedBy	Joseph Larmor ⓘ
namedAfter	Joseph Larmor ⓘ
publicationCentury	19th century ⓘ
relatedTo	Bremsstrahlung ⓘ Larmor formula self-linksurface differs ⓘ surface form: Larmor radiation Liénard formula ⓘ synchrotron radiation ⓘ
unitSystem	Gaussian units ⓘ International System of Units ⓘ surface form: SI units
usedIn	accelerator physics ⓘ antenna theory ⓘ astrophysics ⓘ classical radiation theory ⓘ plasma physics ⓘ radiation reaction analysis ⓘ
usedToExplain	classical electron radiation losses ⓘ energy loss of accelerated charges ⓘ radiation damping ⓘ
validIn	inertial reference frame ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Joseph Larmor → knownFor → Larmor formula ⓘ

Larmor → notableConcept → Larmor formula ⓘ

subject surface form: Joseph Larmor

Larmor formula → relatedTo → Larmor formula self-linksurface differs ⓘ

this entity surface form: Larmor radiation

Larmor formula → generalizedBy → Larmor formula self-linksurface differs ⓘ

this entity surface form: Liénard formula for relativistic charges