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Chern-Simons orbital magnetoelectric coupling in generic insulators
Sinisa Coh, David Vanderbilt, Andrei Malashevich +1
We present a Wannier-based method to calculate the Chern-Simons orbital magnetoelectric coupling in the framework of first-principles density-functional theory. In view of recent d…
The rise of spin-flip transitions in the anomalous Hall effect of FePt alloy
Hongbin Zhang, Frank Freimuth, Stefan Blugel +2
We carry out first-principles calculations which demonstrate the importance of spin-flip transitions for the intrinsic anomalous Hall conductivity of ordered FePt alloys. We show t…
Band theory of spatial dispersion in magnetoelectrics
Andrei Malashevich, Ivo Souza
Working in the crystal-momentum representation, we calculate the optical conductivity of noncentrosymmetric insulating crystals at first order in the wave vector of light. The time…
Theory of orbital magnetoelectric response
Andrei Malashevich, Ivo Souza, Sinisa Coh +1
We extend the recently-developed theory of bulk orbital magnetization to finite electric fields, and use it to calculate the orbital magnetoelectric response of periodic insulators…