Polarization
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Polarization or polarisation can refer to:
[edit] In the physical sciences
- Polarization (waves), the orientation of oscillations in the plane perpendicular to a transverse wave's direction of travel
- Dielectric polarization, charge separation in insulating materials:
- Polarization density, volume dielectric polarization
- Dipolar polarization, orientation of permanent dipoles
- Ionic polarization, displacement of ions in a crystal
- Maxwell-Wagner-Sillars polarization, slow long-distance charge separation in dielectric spectroscopy on inhomogeneous soft matter
- Polarization (corrosion), a change in the equilibrium potential of an electrochemical reaction
- Spin polarization, the degree by which the spin of elementary particles is aligned to a given direction
- Polarizability, an important fundamental property of subatomic particles
- Photon polarization, the mathematical link between wave polarization and spin polarization
- Vacuum polarization, a process in which a background electromagnetic field produces virtual electron-positron pairs
- Polarity in embryogenesis, during development, an embryo has an animal pole and a vegetal pole
[edit] In mathematics
- Polarization of an Abelian variety, in the mathematics of complex manifolds
- Polarization of an algebraic form, a technique for expressing a homogeneous polynomial in a simpler fashion by adjoining more variables
- Polarization identity expresses an inner product in terms of its associated norm
[edit] In the social sciences
- Polarization (politics), the process by which the public opinion divides and goes to the extremes
- Polarization (psychology), the process whereby a social or political group is divided into opposing sub-groups
- Social polarization
- Group polarization
- Attitude polarization
- Racial polarization, the process whereby a population with varyingly diverse ancestry is divided into distinct, homogenous racial groups
[edit] See also
- Polarity (disambiguation)
- Polarizer, a device which polarizes light
- Depolarization and hyperpolarization of neuronal membrane potentials (in neuroscience).
- Category:Polarization, for articles about polarization of light and other electromagnetic waves
- Polarization in astronomy
- Induced polarization, a geophysical imaging technique used to identify subsurface materials
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