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Classical electromagnetism

Index Classical electromagnetism

Classical electromagnetism or classical electrodynamics is a branch of theoretical physics that studies the interactions between electric charges and currents using an extension of the classical Newtonian model. [1]

61 relations: A Treatise on Electricity and Magnetism, Charge density, Classical Electrodynamics (book), Classical mechanics, Coulomb, Coulomb's law, Cross product, David J. Griffiths, Del, Differential equation, Electric charge, Electric current, Electric field, Electric potential, Electromagnetic field, Electromagnetic radiation, Electromagnetic spectrum, Electromagnetic tensor, Electromagnetism, Euclidean vector, Four-current, Gamma ray, History of optics, Infrared, James Clerk Maxwell, Jefimenko's equations, John David Jackson (physicist), Length scale, Liénard–Wiechert potential, Light, Line integral, Magnetic field, Mathematical model, Matthew Sands, Maxwell's equations, Michael Faraday, Microwave, Newton (unit), Particle physics, Quantum electrodynamics, Quantum mechanics, Radio wave, Retarded time, Richard Feynman, Robert B. Leighton, Rudolf Peierls, Scalar potential, Speed of light, The Feynman Lectures on Physics, The Maxwellians, ..., Theoretical physics, Ultraviolet, Vacuum permittivity, Vector potential, Volt, Wave, Wavelength, Weber electrodynamics, Wheeler–Feynman absorber theory, Wolfgang K. H. Panofsky, X-ray. Expand index (11 more) »

A Treatise on Electricity and Magnetism

A Treatise on Electricity and Magnetism is a two-volume treatise on electromagnetism written by James Clerk Maxwell in 1873.

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Charge density

In electromagnetism, charge density is a measure of the amount of electric charge per unit length, surface area, or volume.

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Classical Electrodynamics (book)

Classical Electrodynamics is a textbook about the subject of that name written by John David Jackson.

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Classical mechanics

Classical mechanics describes the motion of macroscopic objects, from projectiles to parts of machinery, and astronomical objects, such as spacecraft, planets, stars and galaxies.

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The coulomb (symbol: C) is the International System of Units (SI) unit of electric charge.

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Coulomb's law

Coulomb's law, or Coulomb's inverse-square law, is a law of physics for quantifying the amount of force with which stationary electrically charged particles repel or attract each other.

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Cross product

In mathematics and vector algebra, the cross product or vector product (occasionally directed area product to emphasize the geometric significance) is a binary operation on two vectors in three-dimensional space \left(\mathbb^3\right) and is denoted by the symbol \times.

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David J. Griffiths

David Jeffrey Griffiths (born 1942) is a U.S. physicist and educator.

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Del, or nabla, is an operator used in mathematics, in particular in vector calculus, as a vector differential operator, usually represented by the nabla symbol ∇.

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Differential equation

A differential equation is a mathematical equation that relates some function with its derivatives.

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Electric charge

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

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Electric current

An electric current is a flow of electric charge.

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Electric field

An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.

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Electric potential

An electric potential (also called the electric field potential, potential drop or the electrostatic potential) is the amount of work needed to move a unit positive charge from a reference point to a specific point inside the field without producing any acceleration.

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Electromagnetic field

An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects.

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Electromagnetic radiation

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.

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Electromagnetic spectrum

The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.

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Electromagnetic tensor

In electromagnetism, the electromagnetic tensor or electromagnetic field tensor (sometimes called the field strength tensor, Faraday tensor or Maxwell bivector) is a mathematical object that describes the electromagnetic field in spacetime.

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Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.

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Euclidean vector

In mathematics, physics, and engineering, a Euclidean vector (sometimes called a geometric or spatial vector, or—as here—simply a vector) is a geometric object that has magnitude (or length) and direction.

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In special and general relativity, the four-current (technically the four-current density) is the four-dimensional analogue of the electric current density.

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Gamma ray

A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.

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History of optics

Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek philosophers, and the development of geometrical optics in the Greco-Roman world.

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Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.

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James Clerk Maxwell

James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish scientist in the field of mathematical physics.

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Jefimenko's equations

In electromagnetism, Jefimenko's equations (named after Oleg D. Jefimenko) give the electric field and magnetic field due to a distribution of electric charges and electric current in space, that takes into account the propagation delay (retarded time) of the fields due to the finite speed of light and relativistic effects.

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John David Jackson (physicist)

John David Jackson (January 19, 1925 – May 20, 2016) was a Canadian–American physics professor emeritus at the University of California, Berkeley and a faculty senior scientist emeritus at Lawrence Berkeley National Laboratory.

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Length scale

In physics, length scale is a particular length or distance determined with the precision of one order of magnitude.

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Liénard–Wiechert potential

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 the Lorenz gauge.

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Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

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Line integral

In mathematics, a line integral is an integral where the function to be integrated is evaluated along a curve.

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Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

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Mathematical model

A mathematical model is a description of a system using mathematical concepts and language.

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Matthew Sands

Matthew Linzee Sands (October 20, 1919 – September 13, 2014) was an American physicist and educator best known as a co-author of the Feynman Lectures on Physics.

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Maxwell's equations

Maxwell's equations are a set of partial differential equations that, together with the Lorentz force law, form the foundation of classical electromagnetism, classical optics, and electric circuits.

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Michael Faraday

Michael Faraday FRS (22 September 1791 – 25 August 1867) was an English scientist who contributed to the study of electromagnetism and electrochemistry.

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Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.

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Newton (unit)

The newton (symbol: N) is the International System of Units (SI) derived unit of force.

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Particle physics

Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation.

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Quantum electrodynamics

In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics.

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Quantum mechanics

Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.

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Radio wave

Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.

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Retarded time

In electromagnetism, electromagnetic waves in vacuum travel at the speed of light c, according to Maxwell's Equations.

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Richard Feynman

Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model.

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Robert B. Leighton

Robert Benjamin Leighton (September 10, 1919 – March 9, 1997) was a prominent American experimental physicist who spent his professional career at the California Institute of Technology (Caltech).

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Rudolf Peierls

Sir Rudolf Ernst Peierls, (5 June 1907 – 19 September 1995) was a German-born British physicist who played a major role in the Manhattan Project and Tube Alloys, Britain's nuclear programme.

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Scalar potential

Scalar potential, simply stated, describes the situation where the difference in the potential energies of an object in two different positions depends only on the positions, not upon the path taken by the object in traveling from one position to the other.

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Speed of light

The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.

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The Feynman Lectures on Physics

The Feynman Lectures on Physics is a physics textbook based on some lectures by Richard P. Feynman, a Nobel laureate who has sometimes been called "The Great Explainer".

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The Maxwellians

The Maxwellians is a book by Bruce J. Hunt, published in 1991 by Cornell University Press.

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Theoretical physics

Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain and predict natural phenomena.

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Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Vacuum permittivity

The physical constant (pronounced as "epsilon nought"), commonly called the vacuum permittivity, permittivity of free space or electric constant, is an ideal, (baseline) physical constant, which is the value of the absolute dielectric permittivity of classical vacuum.

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Vector potential

In vector calculus, a vector potential is a vector field whose curl is a given vector field.

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The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.

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In physics, a wave is a disturbance that transfers energy through matter or space, with little or no associated mass transport.

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In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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Weber electrodynamics

Weber electrodynamics is an alternative to Maxwell electrodynamics developed by Wilhelm Eduard Weber.

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Wheeler–Feynman absorber theory

The Wheeler–Feynman absorber theory (also called the Wheeler–Feynman time-symmetric theory), named after its originators, the physicists Richard Feynman and John Archibald Wheeler, is an interpretation of electrodynamics derived from the assumption that the solutions of the electromagnetic field equations must be invariant under time-reversal transformation, as are the field equations themselves.

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Wolfgang K. H. Panofsky

Wolfgang Kurt Hermann "Pief" Panofsky (April 24, 1919 – September 24, 2007), was a German-American physicist who won many awards including the National Medal of Science.

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X-rays make up X-radiation, a form of electromagnetic radiation.

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Classical Electrodynamics, Classical electrodynamics, Electrodynamic, Electrodynamics.


[1] https://en.wikipedia.org/wiki/Classical_electromagnetism

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