Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3560305
Title: Effect of nonadiabatic spin transfer torque on domain wall resonance frequency and mass
Authors: Jamali, M.
Lee, K.-J.
Yang, H. 
Issue Date: 28-Feb-2011
Citation: Jamali, M., Lee, K.-J., Yang, H. (2011-02-28). Effect of nonadiabatic spin transfer torque on domain wall resonance frequency and mass. Applied Physics Letters 98 (9) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3560305
Abstract: The dynamics of a magnetic domain wall in a semi circular nanowire loop is studied by an analytical model and micromagnetic simulations. We find a damped sinusoidal oscillation of the domain wall for small displacement angles around its equilibrium position under an external magnetic field in the absence of currents. By studying the effect of current induced nonadiabatic spin transfer torque on the magnetic domain wall resonance frequency and mass, a redshift is found in the resonance frequency and domain wall mass increases by increasing the ratio of nonadiabatic spin torque to adiabatic contribution above 1. © 2011 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/55753
ISSN: 00036951
DOI: 10.1063/1.3560305
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