Electromagnetism

relationship between relativity and pre-quantum electromagnetism

the contribution to the stress–energy tensor due to the electromagnetic field

physical phenomenon in electromagnetic field theory

process which involves using electrons, usually of high energy, to treat an object for a variety of purposes

procedure of coping with redundant degrees of freedom in physical field theories

voltage that opposes the change in current which induced it

Photocurrent is the electric current through a photosensitive device, such as a photodiode, as the result of exposure to radiant power. The photocurrent may occur as a result of the photoelectric, photoemissive, or photovoltaic effect. The photocurrent may be enhanced by internal gain caused by interaction among ions and photons under the influence of applied fields, such as occurs in an avalanche photodiode (APD).

written work by James Clerk Maxwell

A significant theorem in classical electromagnetism.

1865 physics paper by James Maxwell

energy density associated with a magnetic field

used to determine the direction of current in a generator's windings

Electrical elastance is the reciprocal of capacitance. The SI unit of elastance is the inverse farad (F−1). The concept is not widely used by electrical and electronic engineers, as the value of capacitors is typically specified in units of capacitance rather than inverse capacitance. However, elastance is used in theoretical work in network analysis and has some niche applications, particularly at microwave frequencies.

lowest-energy state

general framework for describing the quantum mechanical evolution of a system in a non-equilibrium state

work done on a charged particle by an electric field

system of electromagnetic units

metamaterials whose refractive index for an electromagnetic wave has a negative value over some frequency range

interaction of a multi-turn inductor with the magnetic flux

measure of loss-rate of energy of a mode of oscillation in a dissipative system

pertinent to space weather conditions

Process used in optics and acoustics

electromagnetic bottle producing and confining highly charged ions

measure of charge inside a neutron

magnet used to produce a magnetic field in a device