Ferromagnetic Magnons in Time-Dependent Magnetic Fields
S. M. Rezende, Nicim Zagury · Physical Review Letters · 1969
We study the effects of a sudden change in the external magnetic field on the propagation of magnon states.Received 4 March 1969DOI:https://doi.org/10.1103/PhysRevLett.22.1182©1969 American Physical Society