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- W3048709777 endingPage "475803" @default.
- W3048709777 startingPage "475803" @default.
- W3048709777 abstract "The fundamental problem of domain wall (DW) inertia-the property that gives to inertial behaviors remains unclear in the physics of magnetic solitons. To understand its nature as well as to achieve accurate DW positioning and efficient manipulation of domain wall motion (DWM), spin wave (SW) pulse-induced DW transient effect is studied both numerically and theoretically in a magnetic nanostrip. It is shown for the first time that there occurs inevitable deceleration/automotion after SW pulse, which indicates nonzero DW inertia. The induced DWM is revealed to relate to two factors: energy storing within DW and out-of-plane tilting of DW. To explain the DWM dynamics, a one-dimensional collective model is developed to account for the excitation of spin wave pulse. The model successfully bridges DW energy, DW tilting and DW displacement and provides descriptions in accordance with numerical findings. It is made clear that the DW automotion hence DW inertia originate from the process of DW relaxation toward equilibrium. The DW inertia is expressed in terms of effective mass and turns out to be a time-dependent function with damping constant α as the governing parameter, which opposes the nature of intrinsic mass. For case containing multiple DWs, the total effective mass is shown to concern the reached velocity and stored energy of DWs instead of the number of DWs, which is against common intuition." @default.
- W3048709777 created "2020-08-18" @default.
- W3048709777 creator A5043070078 @default.
- W3048709777 creator A5046148479 @default.
- W3048709777 creator A5049338694 @default.
- W3048709777 creator A5059498826 @default.
- W3048709777 creator A5076200439 @default.
- W3048709777 date "2020-09-01" @default.
- W3048709777 modified "2023-10-17" @default.
- W3048709777 title "The origin of spin wave pulse-induced domain wall inertia" @default.
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