Abstract
We have investigated the influence of spin accumulation on the domain wall resistance in the presence of the Rashba and the Dresselhaus spin–orbit interactions. In this order, we have employed a quantum kinetic model based on the Wigner distribution function formalism. Using the single-electron Hamiltonian and following the approach of Simanek and Rebei (Phys. Rev. B 71:172405, 2005), we derive the coupled differential equations for transverse spin accumulation components and then calculate its contribution to the resistance of a domain wall. The results show that both the Rashba and the Dresselhaus spin–orbit interactions enhance the transverse spin accumulation and consequently increase the domain wall resistance.
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