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Ab Initio Theory of Gate Induced Gaps in Graphene Bilayers
Hongki Min, B. R. Sahu, Sanjay K. Banerjee +1
We study the gate voltage induced gap that occurs in graphene bilayers using \textit{ab initio} density functional theory. Our calculations confirm the qualitative picture suggeste…
Current Induced Order Parameter Dynamics: Microscopic Theory Applied to Co/Cu/Co spin valves
P. M. Haney, D. Waldron, R. A. Duine +3
Transport currents can alter alter order parameter dynamics and change steady states in superconductors, in ferromagnets, and in hybrid systems. In this article we present a scheme…
Inelastic scattering in ferromagnetic and antiferromagnetic metal spintronics
R. A. Duine, P. M. Haney, A. S. Nunez +1
We use a ferromagnetic voltage probe model to study the influence of inelastic scattering on giant magnetoresistance and current-induced torques in ferromagnetic and antiferromagne…
Electronic transport through a double quantum dot in the spin blockade regime: Theoretical models
Jesus Inarrea, Gloria Platero, A. H. MacDonald
We analyzed the electronic transport through a double quantum dot in the spin blockade regime. Experiments of current rectification by Pauli exclusion principle in double quantum d…
Anomalous Hall effect in 2D Dirac band: link between Kubo-Streda formula and semiclassical Boltzmann equation approach
N. A. Sinitsyn, A. H. MacDonald, T. Jungwirth +2
The anomalous Hall effect (AHE) is a consequence of spin-orbit coupling in a ferromagnetic metal and is related primarily to density-matrix response to an electric field that is of…
Thermally-Assisted Current-Driven Domain Wall Motion
R. A. Duine, A. S. Nunez, A. H. MacDonald
Starting from the stochastic Landau-Lifschitz-Gilbert equation, we derive Langevin equations that describe the nonzero-temperature dynamics of a rigid domain wall. We derive an exp…