3 papers
cond-mat.mtrl-sci2025
Field-tuning of ultrafast magnetization fluctuations in SmErFeO
Marvin Alexander Weiss, Julius Schlegel, Daniel AniÄ +7
The properties of spin fluctuations in antiferromagnets are largely unexplored, in particular at ultrafast timescales. Here, we employ femtosecond noise correlation spectroscopy (F…
cond-mat.mes-hall2025
Magnetic nutation: transient separation of magnetization from its angular momentum
Anulekha De, Julius Schlegel, Akira Lentfert +6
For nearly 90 years, precession and relaxation processes have been thought to dominate magnetization dynamics. Only recently has it been considered that, on short time scales, an i…
cond-mat.mtrl-sci2024
Spin-noise spectroscopy as a tool for probing magnetic order
Julius Schlegel, Martin Evers, Ulrich Nowak
Spin noise spectroscopy is a technique to measure magnetization fluctuations, a subject of increasing relevance in ultrafast spintronics. We investigate numerically the equilibrium…