An electromagnetic four-potential is a relativistic vector function from which the electromagnetic field can be derived. It combines both an electric...
9 KB (1,142 words) - 10:48, 18 December 2024
content of classical electromagnetism can be written in a concise and convenient form using the electromagnetic four potential, especially when the Lorenz...
28 KB (4,378 words) - 22:37, 31 May 2025
In electromagnetism, the electromagnetic tensor or electromagnetic field tensor (sometimes called the field strength tensor, Faraday tensor or Maxwell...
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centuries before light was understood to be an electromagnetic wave. However, the theory of electromagnetism, as it is currently understood, grew out of...
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Gauge fixing (category Electromagnetism)
Heaviside–Gibbs formulation of continuum electrodynamics in terms of an electromagnetic four-potential, which is presented here in space/time asymmetric Heaviside...
28 KB (4,276 words) - 12:06, 3 June 2025
} Covariant classical field theory Electromagnetic tensor Electromagnetic wave equation Liénard–Wiechert potential for a charge in arbitrary motion Moving...
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Gauge theory (redirect from Gauge potential)
Gluon field strength tensor Quantum electrodynamics Electromagnetic four-potential Electromagnetic tensor Quantum field theory Standard Model Standard...
48 KB (6,822 words) - 13:34, 30 June 2025
while the electromagnetic potentials are purely mathematical constructs, that due to gauge freedom are not even unique for a given electromagnetic field....
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together as the electromagnetic four-potential. If F is a conservative vector field (also called irrotational, curl-free, or potential), and its components...
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In electromagnetism and applications, an inhomogeneous electromagnetic wave equation, or nonhomogeneous electromagnetic wave equation, is one of a set...
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Liénard–Wiechert potentials describe the classical electromagnetic effect of a moving electric point charge in terms of a vector potential and a scalar potential in...
36 KB (7,271 words) - 23:56, 2 June 2025
mathematical descriptions of the electromagnetic field that are used in the study of electromagnetism, one of the four fundamental interactions of nature...
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In electrodynamics, the retarded potentials are the electromagnetic potentials for the electromagnetic field generated by time-varying electric current...
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Lanczos tensor (redirect from Lanczos potential)
field in the same way that, by analogy, the electromagnetic four-potential generates the electromagnetic field. The Lanczos tensor can be defined in a...
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charged particle of charge q, moving in an electromagnetic field given by the electromagnetic four-potential: A = ( A 0 , A 1 , A 2 , A 3 ) = ( ϕ c , A...
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space, a particle's four-momentum pμ, the amplitude of the electromagnetic four-potential Aμ(x) at a point x in spacetime, and the elements of the subspace...
47 KB (8,365 words) - 14:48, 25 February 2025
acceleration Electromagnetic four-potential, a relativistic vector function from which the electromagnetic field can be derived Coulomb potential Van der Waals...
3 KB (374 words) - 02:09, 22 February 2022
The electromagnetic wave equation is a second-order partial differential equation that describes the propagation of electromagnetic waves through a medium...
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Gluon field (redirect from Gluon four potential)
quarks. It plays the same role in quantum chromodynamics as the electromagnetic four-potential in quantum electrodynamics – the gluon field constructs the...
12 KB (1,542 words) - 08:42, 4 March 2023
as arising from modifying the electromagnetic wave equation to describe a particle with nonzero mass. The electromagnetic wave equation reads ◻ A μ = source...
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physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields. The electromagnetic force is...
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Spacetime algebra (section Potential formulation)
(2011). Understanding Geometric Algebra for Electromagnetic Theory. IEEE Press Series on Electromagnetic Wave Theory. Wiley. p. 180. ISBN 978-0-470-94163-8...
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Relativistic electromagnetism is a physical phenomenon explained in electromagnetic field theory due to Coulomb's law and Lorentz transformations. After...
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equation for the electromagnetic field in vacuum is ◻ A μ = 0 {\displaystyle \Box A^{\mu }=0} where Aμ is the electromagnetic four-potential in Lorenz gauge...
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Lorentz transformation (redirect from Transformation of the electromagnetic field)
force — the electromagnetic force, as a consequence of relative motion between electric charges and observers. The fact that the electromagnetic field shows...
107 KB (14,891 words) - 20:19, 19 June 2025
important role in the modern theory of classical electromagnetism. It gives formulas for how electromagnetic objects, in particular the electric and magnetic...
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Maxwell–Faraday equation, one of the four Maxwell equations in his theory of electromagnetism. Electromagnetic induction has found many applications...
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Classical field theory (section Potential theory)
used. The electromagnetic four-potential is defined to be Aa = (−φ, A), and the electromagnetic four-current ja = (−ρ, j). The electromagnetic field at...
28 KB (3,875 words) - 11:19, 23 April 2025
space. The four-current unifies charge density (related to electricity) and current density (related to magnetism) in one electromagnetic entity. In special...
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space, known as an electromagnetic wave. The way in which charges and currents (i.e. streams of charges) interact with the electromagnetic field is described...
22 KB (2,564 words) - 15:25, 17 April 2025