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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…
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…
Spin transfer in an antiferromagnet
Z. Wei, A. Sharma, A. S. Nunez +5
An electrical current can transfer spin angular momentum to a ferromagnet. This novel physical phenomenon, called spin transfer, offers unprecedented spatial and temporal control o…
Theory of ferromagnetic (III,Mn)V semiconductors
T. Jungwirth, Jairo Sinova, J. Masek +2
The body of research on (III,Mn)V diluted magnetic semiconductors initiated during the 1990's has concentrated on three major fronts: i) the microscopic origins and fundamental phy…