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Polarization

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Polarization or polarisation can refer to:

In the physical sciences

  • Polarization (waves), the ability of waves to oscillate in more than one direction; in particular polarization of light, responsible for example for the glare-reducing effect of polarized sunglasses
    • Polarization (antenna), the state of polarization (in the above sense) of electromagnetic waves transmitted by or received by a radio antenna
  • Dielectric polarization, charge separation in insulating materials:
  • Polarization (electrochemistry), a change in the equilibrium potential of an electrochemical reaction
  • Concentration polarization, the shift of the electrochemical potential difference across an electrochemical cell from its equilibrium value
  • Spin polarization, the degree by which the spin of elementary particles is aligned to a given direction
  • Polarizability, an electrical property of atoms or molecules and a separate magnetic 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

In mathematics

In the social sciences

See also