An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



Alfvenic fluctuation
  افتاخیز ِ آلفونیک  
oftâxiz-e Alfvenik
Fr.: fluctuation alfvénique  

Large amplitude fluctuations in the → solar wind with properties resembling
those of → Alfvén waves. A fluctuation is said to be Alfvénic if the following relationship between the velocity fluctuations (Δv) and magnetic field fluctuations (ΔB) is satisfied:

Δv = ± ΔB/(μ0ρ)1/2. Also called Alfvénicity.

See also:Alfvén wave; → fluctuation.