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cond-mat.mtrl-sci2024
Fragile altermagnetism and orbital disorder in Mott insulator LaTiO
I. V. Maznichenko, A. Ernst, D. Maryenko +5
Based on ab initio calculations, we demonstrate that a Mott insulator LaTiO (LTO), not inspected previously as an altermagnetic material, shows the characteristic features of a…
cond-mat.mtrl-sci2024
Electronic correlations arising from anti-Stoner spin excitations: an ab initio study of itinerant ferro- and antiferromagnet
S. Paischer, D. Eilmsteiner, M. I. Katsnelson +2
The anti-Stoner excitations are a spin-flips in which, effectively, an electron is promoted from a minority to a majority spin state, i.e., complementary to Stoner excitations and…
cond-mat.mtrl-sci2024
Correlations, disorder, and multi-magnon processes in terahertz spin dynamics of magnetic nanostructures: A first-principles investigation
S. Paischer, D. Eilmsteiner, I. Maznichenko +4
Understanding the profound impact of correlation effects and crystal imperfections is essential for an accurate description of solids. Here we study the role of correlation, disord…