Precession of magnetic moments with change of their orientations
M R ZhumaevBukhara Engineering-Technological Institute, Bukhara, UzbekistanM.Z. SharipovBukhara Engineering-Technological Institute, Bukhara, UzbekistanM N RizokulovBukhara Engineering-Technological Institute, Bukhara, Uzbekistan
ABI
Abstract
Abstract In the work the precession of the magnetization vector in nano-sized magnets is induced by a femtosecond laser pulse, the frequency of which lies in the transparency region of the magnet material. It is shown that an alternating magnetic field applied to the XOY plane generates the magnetic equilibrium position vectors and elliptical precession occurs if a constant magnetic field acts along the Z axis. In this case the precession angle changes periodically in time and the precession frequency is determined by the amplitude of the total magnetic field.
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