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(Color online) (a) Experimental configuration. (b) Time-resolved MSHG signal after excitation with a magnetic field applied along direction. The inset shows the Fourier transformation.
(Color online) (a) Interface and bulk precession at . (b) Precession frequency vs applied magnetic field. The solid lines are the fits by Eq. (1).
(Color online) (a) Interface loop; (b) interface precession at ; (c) bulk loop; and (d) bulk precessions at different fields. The black and red curves are taken with field sweeping up or down, respectively. The dashed blue curve shows bulk precession at with field sweeping up.
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