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Static properties and current-induced dynamics of pinned 90∘ magnetic domain walls under applied fields: An analytic approach
Physical review B
Magnetic domain walls are pinned strongly by abrupt changes in magnetic anisotropy. When driven into oscillation by a spin-polarized current, locally pinned domain walls can be exploited as tunable sources of short-wavelength spin waves. Here, we develop an analytical framework and discrete Heisenberg model to describe the static and dynamic properties of pinned domain walls with a head-to-tail magnetic structure. We focus on magnetic domain walls that are pinned by 90^∘ rotations of uniaxialdoi:10.1103/physrevb.98.064417 fatcat:htvx2dea4fh7xhpfcccggfsyda