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Domain wall displacement triggered by an AC current below threshold
Gen Tatara, Eiji Saitoh, Masahiko Ichimura +1
It is theoretically demonstrated that a displacement of a pinned domain wall, typically of order of m, can be driven by use of an ac current which is below threshold value. The…
Universality of thermally assisted magnetic domain wall motion under spin torque
Gen Tatara, Nicolas Vernier, Jacques Ferre
Thermally assisted motion of magnetic domain wall under spin torque is studied theoretically. It is shown that the wall velocity depends exponentially on the spin current, $\Is…
Effect of Spin Current on Uniform Ferromagnetism: Domain Nucleation
Junya Shibata, Gen Tatara, Hiroshi Kohno
Large spin current applied to a uniform ferromagnet leads to a spin-wave instability as pointed out recently. In this paper, it is shown that such spin-wave instability is absent i…
Anomalous Hall Effect and Skyrmion Number in Real- and Momentum-space
Masaru Onoda, Gen Tatara, Naoto Nagaosa
We study the anomalous Hall effect (AHE) for the double exchange model with the exchange coupling being smaller than the bandwidth for the purpose of clarifying the f…