1000 resultados para modes de conceptualisation
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1785/12/01 (N2).
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Périodicité : Bimensuel
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1786/04/01 (N10).
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1786/05/15 (N13).
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1786/09/15 (N21).
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1786/07/15 (N17).
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Classical and quantum theory of spin waves in the vortex state of a mesoscopic submicron magnetic disk have been developed with account of the finite mass density of the vortex. Oscillations of the vortex core resemble oscillations of a charged string in a potential well in the presence of the magnetic field. A conventional gyrotropic frequency appears as a gap in the spectrum of spin waves of the vortex. The mass of the vortex has been computed, and the result agrees with experimental findings. The finite vortex mass generates a high-frequency branch of spin waves. The effects of an external magnetic field and dissipation have been addressed.