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isotropic field

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  • Isotropic radiation — has the same intensity regardless of the direction of measurement, and an isotropic field exerts the same action regardless of how the test particle is oriented. It radiates uniformly in all directions from a point source sometimes called an… …   Wikipedia

  • Isotropic coordinates — In the theory of Lorentzian manifolds, spherically symmetric spacetimes admit a family of nested round spheres . There are several different types of coordinate chart which are adapted to this family of nested spheres; the best known is the… …   Wikipedia

  • Isotropic quadratic form — In mathematics, a quadratic form over a field F is said to be isotropic if there is a non zero vector on which it evaluates to zero. Otherwise the quadratic form is anisotropic. More precisely, if q is a quadratic form on a vector space V over F …   Wikipedia

  • Isotropic radiator — An isotropic radiator is a theoretical point source of waves which exhibits the same magnitude or properties when measured in all directions. It has no preferred direction of radiation. It radiates uniformly in all directions over a sphere… …   Wikipedia

  • field — A definite area of plane surface, considered in relation to some specific object. [A.S. feld] auditory f. the space included within the limits of hearing of a definite sound, as of a tuning fork …   Medical dictionary

  • Bi isotropic — In physics and engineering, and materials science, bi isotropics (or biisotropics) are any of a class of materials having the special optical property that it can twist the polarization of light in either refraction or transmission. This does not …   Wikipedia

  • Electric displacement field — In physics, the electric displacement field, denoted as , is a vector field that appears in Maxwell s equations. It accounts for the effects of free charges within materials. D stands for displacement, as in the related concept of displacement… …   Wikipedia

  • Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… …   Wikipedia

  • Potrillo volcanic field — The Potrillo Volcanic Field is a monogenetic volcanic field located on the Rio Grande Rift in New Mexico, USA and Chihuahua, Mexico. It lies convert|35|km|mi|0 west of El Paso, Texas. Rio Grande Rift *Rifting began in Late Oligocene cite book |… …   Wikipedia

  • A Dynamical Theory of the Electromagnetic Field — which was written in the year 1864, is the third of James Clerk Maxwell s papers concerned with electromagnetism. It is the paper in which the original set of four Maxwell s equations first appeared. The concept of displacement current that he… …   Wikipedia

  • Hubble Deep Field South — The Hubble Deep Field South is a composite of several hundred individual images taken using the Hubble Space Telescope s Wide Field and Planetary Camera 2 over 10 days in September and October 1998. It followed the great success of the original… …   Wikipedia

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