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The '''magnetic diffusivity''' controls the rate of [[Magnetic diffusion|magnetic field diffusion]]. ...equation|evolution equation for the magnetic field]] is analogous to that of the [[viscosity]] for the velocity field, some authors<ref>{{cite book |las ...

...(or [[interfacial tension]]) of charged fluid interfaces, for example that of the [[dropping mercury electrode]] (DME), or in principle, any electrode, a ...utions for understanding and validating the models of the structure of the electrical double layer. The phenomena are related to the electrokinetic phenomena and ...

...Lindhard formula]] when the wavevector (the reciprocal of the length-scale of interest) is much smaller than the Fermi wavevector, i.e. the long-distance The Thomas–Fermi wavevector (in [[Gaussian units|Gaussian-cgs units]]) is<ref name=Ashcroft/> ...

{{short description|Conductance formula in terms of the conductance quantum and transmission possibilities}} ...or-first=Eric |url=https://www.cambridge.org/core/books/mesoscopic-physics-of-electrons-and-photons/introduction-mesoscopic-physics/026F8AD6B95AC613676FB ...

This article summarizes [[equation]]s in the theory of [[electromagnetism]]. ...harge|charge]] ''q'') in motion (velocity '''v'''), used as the definition of the [[electric field|'''E''' field]] and [[magnetic field|'''B''' field]].] ...

{{Short description|Electrical resistivity of a plasma}} ...PhRv...89..977S|doi=10.1103/PhysRev.89.977}}</ref> The Spitzer resistivity of a plasma decreases in proportion to the electron temperature as <math>T_\te ...

...|A simple transformer and its gyrator-capacitor model. R is the reluctance of the physical magnetic circuit.]] ...ce]]''). Windings are represented as [[gyrator]]s, interfacing between the electrical circuit and the magnetic model. ...

...o characterize [[Intervalence charge transfer]] processes, the bond nature of molecules (covalent, ionic, or weakly bonded), and [[Metal–insulator transi ...ectrical conductor|conductors]] also manifests as a different organization of the [[electron]]s in their ground state where one has that: the wave functi ...

{{Short description|Theoretical model describing the optical response of bound charges}} ...umb|right|Electrons are bound to the atomic nucleus analogously to springs of different strengths, AKA springs that are not [[isotropic]], AKA [[anisotro ...

{{Short description|Any analogy between electrical and mechanical systems, used for modelling}} ...he [[circuit diagram]]) using the [[lumped element model]] and the ability of network analysis to [[Network synthesis filters|synthesise a network]] to m ...

{{short description|Relation between properties of diodes}} ...escence based measurements of solar cells and modules and for the analysis of [[Carrier generation and recombination|recombination]] losses in solar cell ...

{{Short description|Types of energy range in a solid where no electron states can exist}} ...an "indirect gap". The band gap is called "direct" if the crystal momentum of electrons and holes is the same in both the [[conduction band]] and the [[v ...

{{Short description|Flow of magnetic monopole charge}} {{About|a current of magnetic monopoles|current as an analog for magnetic flux|Magnetic circuit} ...

...g rectification of alternating current to direct current, in the detection of radio signals, and emitting and detecting light. ...ture uses a lightly doped ''p-''guard-ring at the edge of the sharp corner of the ''p⁺-''layer to spread the voltage out over a larger distanc ...

...ces increases with the magnitude of the [[surface charge]] density (or the electrical surface potential). For two similarly charged objects, this force is repuls ...ds to the diffuse layer, which contains the neutralizing charge consisting of accumulated counterions and depleted coions. The resulting potential profil ...

...thermal management]] in industrial processes to optimizing the performance of [[electronic devices]]. ...materials]], and various engineering systems where the controlled movement of heat is vital. ...

{{Short description|Type of weak interaction in nuclear and atomic physics}} ...ref name=Hagen-Ekström-Forssén-etal-2016-NatPhys/> It also shows an effect of [[parity violation]] during [[electron scattering]]. ...

...form of the forces, such as the inverse-square behavior in [[Newton's law of universal gravitation]] and in [[Coulomb's law]]. It is also able to predic .... As an example, the calculations of atomic structure in atomic physics or of molecular structure in quantum chemistry could not easily be repeated, if a ...

...The term "orbital" distinguishes it from the contribution of spin degrees of freedom, '''M'''_spin, to the total magnetization. A nonzero orb The orbital [[magnetic moment]] of a finite system, such as a molecule, is given classically by<ref> ...

{{Short description|Class of chemicals and interactions}} [[Polyelectrolytes]] are charged [[polymers]] capable of stabilizing (or destabilizing) [[colloid|colloidal emulsions]] through elec ...