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Light-driven ultrafast phonomagnetism
D. Afanasiev, J. R. Hortensius, B. A. Ivanov +6
Exciting atomic oscillations with light is a powerful technique to control the electronic properties of materials, leading to remarkable phenomena such as light-induced superconduc…
Strong coupling of Jahn-Teller distortion to oxygen-octahedron rotation and functional properties in epitaxially-strained orthorhombic LaMnO
Jun Hee Lee, Kris T. Delaney, Eric Bousquet +2
First-principles calculations reveal a large cooperative coupling of Jahn-Teller (JT) distortion to oxygen-octahedron rotations in perovskite LaMnO. The combination of the two…
The macroscopic monopolization in diagonal magnetoelectrics
Nicola A. Spaldin, Michael Fechner, Eric Bousquet +2
We develop the formalism of the macroscopic monopolization -- that is the monopole moment per unit volume -- in periodic solids, and discuss its relationship to the diagonal magnet…
Issues with J-dependence in the LSDA+U method for non-collinear magnets
Eric Bousquet, Nicola Spaldin
We re-examine the commonly used density functional theory plus Hubbard \textit{U} (DFT) method for the case of non-collinear magnets. While many studies neglect to explicitly i…