multipole structure

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• Multipole radiation — is a theoretical framework for the description of electromagnetic or gravitational radiation from time dependent distributions of distant sources. These tools are applied to physical phenomena which occur at a variety of length scales from… …   Wikipedia

• Distributed multipole analysis — (DMA) is a compact and accurate way of describing the spatial distribution of electric charge within a molecule. The DMA method was devised by Prof. Anthony Stone of Cambridge University to describe the charge distribution of a molecule in terms… …   Wikipedia

• Crystal structure prediction — (CSP) is the calculation of the crystal structures of solids from first principles. Reliable methods of predicting the crystal structure of a compound, based only on its molecular structure, has been a goal of the physical sciences since the… …   Wikipedia

• Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …   Wikipedia

• Kerr metric — In general relativity, the Kerr metric (or Kerr vacuum) describes the geometry of spacetime around a rotating massive body. According to this metric, such rotating bodies should exhibit frame dragging, an unusual prediction of general relativity; …   Wikipedia

• Computational electromagnetics — Computational electromagnetics, computational electrodynamics or electromagnetic modeling is the process of modeling the interaction of electromagnetic fields with physical objects and the environment. It typically involves using computationally… …   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

• radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …   Universalium

• RADIOACTIVITÉ — On appelle radioactivité la transformation spontanée d’un noyau atomique au cours de laquelle ce dernier émet un rayonnement. L’observation des effets de ce rayonnement a conduit à la découverte de la radioactivité et des radio éléments. On… …   Encyclopédie Universelle

• Diffusion damping — Physical cosmology Universe · Big Bang …   Wikipedia

• Cosmic microwave background experiments — [ Cosmic background (CMB) temperature on the celestial sphere as determined with the COBE satellite, (top) uncorrected, (middle) corrected for the dipole term due to our peculiar velocity, (bottom) corrected for contributions from the dipole term …   Wikipedia