A quantum-classical simulation predicts that magnetic domain wall annihilation generates ultrabroadband spin pumping with frequencies up to 27 THz and nonlocal damping about 2.4 times the local Gilbert damping.
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Annihilation of topological solitons in magnetism with spin wave burst finale: The role of nonequilibrium electrons causing nonlocal damping and spin pumping over ultrabroadband frequency range
A quantum-classical simulation predicts that magnetic domain wall annihilation generates ultrabroadband spin pumping with frequencies up to 27 THz and nonlocal damping about 2.4 times the local Gilbert damping.