Computer simulation of the dynamics of magnetic skyrmions and their applications

FB08: Institute of Physics, Prof. Dr. Peter Virnau

Poster dissertation project

Scientific career
Since 04/2021PhD student in physics at JGU Mainz
PhD thesis on the computer simulation of the dynamics of magnetic skyrmions and their applications with Prof. Dr. Virnau
09/2023 – 11/2023Visiting Researcher at Massachusetts Institute of Technology, Laboratory for Nanomagnetism and Spin Dynamics, Group of Prof. Dr. Beach
04/2019 – 03/2021Master of Science in Physics with distinction at JGU Mainz
Master’s thesis: “Development and Computer Simulation Study of Token-Based Computing Methods Exploiting Thermal and Artificially Induced Diffusion of Magnetic Skyrmions” with Prof. Dr. Virnau and Prof. Dr. Kläui
03/2016 – 03/2019Bachelor of Science in Physics with distinction at JGU Mainz
Bachelor thesis: “Creation of three-dimensional chromatin structures using coarsened polymer models” with Prof. Dr. Virnau and Prof. Dr. Schmid
08/2008 – 03/2016Graduated top of his year at Eleonoren-Gymnasium, Worms
Gifted and talented program: BeGyS, advanced courses: physics, mathematics, English
Awards and grants
Since 02/2023Junior member of the Gutenberg Academy Fellows Program
Since 01/2023Speaker of the Research Training Group of the Collaborative Research Center Multiscale Simulation TRR146
Since 07/2022Doctoral scholarship from the Studienstiftung des Deutschen Volkes
04/2018 – 03/2021Member of the Q+ study program at JGU Mainz since its pilot phase
03/2016Abitur prizes from the German Physical Society (DPG) and the German Mathematical Society (DMV), as well as prizes for the best Abitur in physics and in general.
Publications
M.A. Brems, T. Sparmann, S.M. Fröhlich, L.-C. Dany, J. Rothörl, F. Kammerbauer, E.M. Jefremovas, O. Farago, M. Kläui, P. Virnau, “Realizing quantitative quasi-particle modeling of skyrmion dynamics in arbitrary potentials”, Physical Review Letters, in press (2024).
K. Raab, M. Schmitt, M.A. Brems, J. Rothörl, F. Kammerbauer, S. Krishnia, M. Kläui, and P. Virnau, “Skyrmion flow in periodically modulated channels”, Physcal Review E 110, L042601 (2024).
G. Beneke, T.B. Winkler, K. Raab, M.A. Brems, F. Kammerbauer, P. Gerhards, K. Knobloch, S. Krishnia, J. Mentink, M. Kläui, “Gesture recognition with Brownian reservoir computing using geometrically confined skyrmion dynamics”, Nature Communications 15, 8103 (2024).
T.B. Winkler, J. Rothörl, M.A. Brems, G. Beneke, H. Fangohr, M. Kläui, “Coarse-graining collective skyrmion dynamics in confined geometries”, Applied Physics Letters 124, 022403 (2024).
J. Rothörl, M.A. Brems, T.J. Stevens, P. Virnau, “Reconstructing diploid 3D chromatin structures from single cell Hi-C data with a polymer-based approach”, Frontiers in Bioinformatics 3, 1284484 (2023).
O. Lee, R. Msiska, M.A. Brems, M. Kläui, H. Kurebayashi, K. Everschor-Sitte, “Perspective on unconventional computing using magnetic skyrmions”, Applied Physics Letters 122, 260501 (2023).
R. Gruber, M.A. Brems, J. Rothörl, T. Sparmann, M. Schmitt, I. Kononenko, F. Kammerbauer, M.-A. Syskaki, O. Farago, P. Virnau, M. Kläui, “300 Times Increased Diffusive Skyrmion Dynamics and Effective Pinning Reduction by Periodic Field Excitation”, Advanced Materials 35, 2208922 (2023).
M.A. Brems, K. Raab, P. Virnau, M. Kläui, “Brownian reservoir computer with skyrmions”, Physik in unserer Zeit 54, 60-61 (2023).
Y. Ge, J. Rothörl, M.A. Brems, N. Kerber, R. Gruber, T. Dohi, M. Kläui, P. Virnau, “Constructing coarse-grained skyrmion-skyrmion and skyrmion-magnetic material boundary interaction potentials from experiment”, Communications Physics 6, 30 (2023).
K. Raab, M.A. Brems, G. Beneke, T. Dohi, J. Rothörl, F. Kammerbauer, J.H. Mentik, M. Kläui, “Brownian reservoir computing realized using geometrically confined skyrmion dynamics”, Nature Communications 13, 6982 (2022).
M.A. Brems, M. Kläui, P. Virnau, European patent application, “Information Processing Apparatus”, International Patent disclosure, WO2022200504A1 (2022).
M.A. Brems, R. Runkel, T.O. Yeates, P. Virnau, “AlphaFold predicts the most complex protein knot and composite protein knots”, Protein Science 31, (8):e4380 (2022).
R. Gruber, J. Zázvorka, M.A. Brems, D. R. Rodrigues, T. Dohi, N. Kerber, B. Seng, M. Vafaee, K. Everschor-Sitte, P. Virnau, M. Kläui, “Skyrmion pinning energetics in thin film
systems”, Nature Communications 13, 3144 (2022).
M.A. Brems, M. Kläui, P. Virnau, “Circuits and excitations to enable Brownian token-based computing with skyrmions”, Applied Physics Letters 119, 132405 (2021).
C. Song, N. Kerber, J. Rothörl, Y. Ge, K. Raab, B. Seng, M.A. Brems, F. Dittrich, R. M. Reeve, J. Wang, Q. Liu, P. Virnau, M. Kläui, “Commensurability between Element Symmetry and the Number of Skyrmions Governing Skyrmion Diffusion in Confined Geometries”, Advanced Functional Materials 31, 2010739 (2021).
S. Wettermann, M.A. Brems, J.T. Siebert, G.T. Vu, T.J. Stevens, P. Virnau, “A minimal Gō-model for rebuilding whole genome structures from haploid single-cell Hi-C data”, Computational Materials Science 173, 109178 (2020).
Conference contributions
07/2024Presentation at the International Conference on Magnetism (ICM)
09/2022Presentation at the IEEE Around-the-Clock Around-The-Globe Magnetism Conference.
09/2022Talk and poster at the TOPO conference on topological structures.
09/2022 & 09/2021Lectures at the annual conferences of the German Physical Society (DPG)
01/2022Lecture at the MMM/Intermag Conference of the IEEE Magnetism Society
03/2021Lecture at the MagIC+ magnetism workshop
Research interests and projects
Statistical physics and its interdisciplinary applications; predictive modeling and computer simulation; computer architecture and unconventional computing; spintronics and topological excitations; biophysics, in particular 3D structures of biomolecules