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Topologically nontrivial magnonic solitons
Mehrdad Elyasi, Koji Sato, Gerrit E. W. Bauer
The intrinsic non-linearities of the spin dynamics in condensed matter systems give rise to a rich phenomenology that can be strongly affected by topology. Here we study formation…
Efficient spin transport in a paramagnetic insulator
Koichi Oyanagi, Saburo Takahashi, Ludo J. Cornelissen +6
The discovery of new materials that efficiently transmit spin currents has been important for spintronics and material science. The electric insulator $\mathrm{Gd}_3\mathrm{Ga}_5\m…
Optical cooling of magnons
Sanchar Sharma, Yaroslav M. Blanter, Gerrit E. W. Bauer
Inelastic scattering of light by spin waves generates an energy flow between the light and magnetization fields, a process that can be enhanced and controlled by concentrating the…
Damping of magnetization dynamics by phonon pumping
Simon Streib, Hedyeh Keshtgar, Gerrit E. W. Bauer
We theoretically investigate pumping of phonons by the dynamics of a magnetic film into a non-magnetic contact. The enhanced damping due to the loss of energy and angular momentum…
Selection rules for cavity-enhanced Brillouin light scattering from magnetostatic modes
J. A. Haigh, N. J. Lambert, S. Sharma +3
We experimentally identify the magnetostatic modes active for Brillouin light scattering in the optical whispering gallery modes of a yttrium iron garnet sphere. Each mode is ident…
Theory of spin and lattice wave dynamics excited by focused laser pulses
Ka Shen, Gerrit E. W. Bauer
We develop a theory of the spin wave dynamics excited by ultrafast focused laser pulses in a magnetic film. We take into account both volume and surface spin wave modes in the pres…