12 citations · 29 across the 8 of their papers we have counts for
7 papers · 1 filter
Interplay of exchange and spin-conserving scattering processes in a ferromagnetic two-sublattice system
Ariyan Tavakoli, Kai Leckron, Hans Christian Schneider
In magnetic alloys or hybrid systems formed by molecular magnets coupled to a magnetic substrate, the exchange interaction leads to fast spin dynamics after excitation. We investig…
Optical signatures of bulk g-wave altermagnetism in MnTe
Luca Haag, Marius Weber, Kai Leckron +3
For planar d-wave altermagnets, it has been shown that a spin polarization can be induced in a controlled fashion by ultrashort-pulse excitation, even though the material is magnet…
Ultrafast electron dynamics in altermagnetic materials
Marius Weber, Kai Leckron, Luca Haag +4
Altermagnets constitute a new class of magnetic materials that combine properties previously thought to be exclusive to either antiferromagnets or ferromagnets, and have unique pro…
All optical excitation of spin polarization in d-wave altermagnets
Marius Weber, Stephan Wust, Luca Haag +14
The recently discovered altermagnets exhibit collinear magnetic order with zero net magnetization but with unconventional spin-polarized d/g/i-wave band structures, expanding the k…
Interplay of electron-magnon scattering and spin-orbit induced electronic spin-flip scattering in a two-band Stoner model
Félix Dusabirane, Kai Leckron, Baerbel Rethfeld +1
This paper presents a theoretical investigation of electron-magnon scattering processes in the ultrafast demagnetization in itinerant ferromagnets. In the framework of a ferromagne…
Ultrafast Demagnetization Dynamics Due to Electron-Electron Scattering and Its Relation to Momentum Relaxation in Ferromagnets
Svenja Vollmar, Kai Leckron, Hans Christian Schneider
We analyze theoretically the demagnetization dynamics in a ferromagnetic model system due to the interplay of spin-orbit coupling and electron-electron Coulomb scattering. We compu…
Ultrafast spin-lattice relaxation in ferromagnets including effective spin-orbit fields
Kai Leckron, Svenja Vollmar, Hans Christian Schneider
We investigate ultrafast demagnetization due to electron-phonon interaction in a model band-ferromagnet. We show that the microscopic mechanism behind the spin dynamics due to elec…