Abstract
A first-principles formulation of scattering theory that includes disorder, spin-orbit coupling and non-collinearity is used to study the resistance of realistic domain wall (DW) profiles, to calculate spin-flip diffusion lengths, to calculate Gilbert dam** in the adiabatic and non-adiabatic limits and to determine the non-adiabatic out-of-plane torque parameter β.
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References
K. **a, M. Zwierzycki, M. Talanana, P.J. Kelly, and G.E.W. Bauer, “First-principles scattering matrices for spin-transport”, Phys. Rev. B73, 064420 (2006).
Anton A. Starikov, Paul J. Kelly, Arne Brataas, Yaroslav Tserkovnyak, and Gerrit E.W. Bauer, “Unified First-Principles Study of Gilbert Dam**, Spin-Flip Diffusion, and Resistivity in Transition Metal Alloys”, Phys. Rev. Lett. 105, 236601 (2010).
Yi Liu, Anton A. Starikov, Zhe Yuan and Paul J. Kelly, “First-principles calculations of magnetization relaxation in pure Fe, Co, and Ni with frozen thermal lattice disorder”, Phys. Rev. B84, 014412 (2011).
H. Ebert, S. Mankovsky, and D. Ködderitzsch and Paul J. Kelly, “Ab Initio Calculation of the Gilbert Dam** Parameter via the Linear Response Formalism”, Phys. Rev. Lett. 107, 066601 (2011).
Zhe Yuan, Yi Liu, Anton A. Starikov, Paul J. Kelly, and Arne Brataas, “Spin-orbit-coupling-induced domain-wall resistance in diffusive ferromagnets” Phys. Rev. Lett. 109, 267201 (2012).
Acknowledgments
This work was carried out in collaboration with Anton Starikov, Zhe Yuan, Yi Liu, Rien Wesselink, Arne Brataas, Gerrit Bauer and Yaroslav Tserkovnyak. It was supported by EU FP7 Contract No. NMP3-SL-2009-233513 MONAMI and ICT Grant No. 251759 MACALO. It also forms part of the research programme of ‘‘Stichting voor Fundamenteel Onderzoek der Materie’’ (FOM) and the use of supercomputer facilities was sponsored by the ‘‘Stichting Nationale Computer Faciliteiten’’ (NCF), both of which are financially supported by the ‘‘Nederlandse Organisatie voor Wetenschappelijk Onderzoek’’ (NWO).
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Kelly, P.J. (2015). What Can We Learn About Magnetization Dynamics from First-Principles Calculations?. In: Bigot, JY., Hübner, W., Rasing, T., Chantrell, R. (eds) Ultrafast Magnetism I. Springer Proceedings in Physics, vol 159. Springer, Cham. https://doi.org/10.1007/978-3-319-07743-7_48
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DOI: https://doi.org/10.1007/978-3-319-07743-7_48
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