Browsing by Author "Kelati, Ghebregaziher"

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    Drift of Charged Particles in High Frequency Fields
    (Addis Ababa, 1985-06) Kelati, Ghebregaziher; Brauer, Andreas (PhD)
    The non- relativistic equntions of motion fo r a chnrged par t icle , an electron , in a wave of slowly varying amplitude aro examined . The ',/ilv e , whistle r wave , is supposed to be propagating at an arbitr ary but small angle to a uniform background magnetic field , in nn infinite collisionless plasma . Approximate solutions f or t he equations of motion of particles in cyclotron resonance with the shistler wave are evaluated by method of ave r aging . An expr ession for the period of trapped par t icles i n a lIpotential well" and an integral of motion in the space of phase difference are der ived . ,