129 citations · 400 across the 14 of their papers we have counts for
16 papers
Real-Time Modeling of Skyrmion Dynamics in Arbitrary 2D Spatially Dependent Pinning Potential Landscapes
Simon M. Fröhlich, Tobias Sparmann, Maarten A. Brems +6
Non-flat energy landscapes leading to localized pinning of skyrmions pose an inherent and unavoidable challenge for studies of fundamental 2D spin structure dynamics as well as app…
Skyrmion Lattice Order Controlled by Confinement Geometry
Raphael Gruber, Jan Rothörl, Simon M. Fröhlich +8
Magnetic skyrmions forming two-dimensional (2D) lattices provide a versatile platform for investigating phase transitions predicted by Kosterlitz-Thouless-Halperin-Nelson-Young (KT…
Skyrmion Lattice Domain Formation in a Non-Flat Energy Landscape
Raphael Gruber, Jan Rothörl, Simon M. Fröhlich +9
Magnetic skyrmions are chiral spin structures with non-trivial topology that comprise two-dimensional quasi-particles and are promising information carriers for data storage and pr…
Realizing Quantitative Quasiparticle Modeling of Skyrmion Dynamics in Arbitrary Potentials
Maarten A. Brems, Tobias Sparmann, Simon M. Fröhlich +7
We demonstrate fully quantitative Thiele model simulations of magnetic skyrmion dynamics on previously unattainable experimentally relevant large length and time scales by ascertai…
Imaging Topological Defect Dynamics Mediating 2D Skyrmion Lattice Melting
Raphael Gruber, Jan Rothörl, Simon M. Fröhlich +8
Topological defects are the key feature mediating 2D phase transitions. However, both resolution and tunability have been lacking to access the dynamics of the transitions. With dy…
Skyrmion flow in periodically modulated channels
Klaus Raab, Maurice Schmitt, Maarten A. Brems +5
Magnetic skyrmions, topologically stabilized chiral magnetic textures with particle-like properties have so far primarily been studied statically. Here, we experimentally investiga…
Gesture recognition with Brownian reservoir computing using geometrically confined skyrmion dynamics
Grischa Beneke, Thomas Brian Winkler, Klaus Raab +6
Physical reservoir computing (RC) is a beyond von-Neumann computing paradigm that harnesses the dynamical properties of a complex physical system (reservoir) to process information…
Coarse-graining collective skyrmion dynamics in confined geometries
Thomas Brian Winkler, Jan Rothörl, Maarten A. Brems +2
Magnetic skyrmions are magnetic quasi-particles with enhanced stability and different manipulation mechanisms using external fields and currents making them promising candidates fo…
Perspective on unconventional computing using magnetic skyrmions
Oscar Lee, Robin Msiska, Maarten A. Brems +3
Learning and pattern recognition inevitably requires memory of previous events, a feature that conventional CMOS hardware needs to artificially simulate. Dynamical systems naturall…
AlphaFold predicts the most complex protein knot and composite protein knots
Maarten A. Brems, Robert Runkel, Todd O. Yeates +1
The computer artificial intelligence system AlphaFold has recently predicted previously unknown three-dimensional structures of thousands of proteins. Focusing on the subset with h…
Brownian reservoir computing realized using geometrically confined skyrmions
Klaus Raab, Maarten A. Brems, Grischa Beneke +4
Reservoir computing (RC) has been considered as one of the key computational principles beyond von-Neumann computing. Magnetic skyrmions, topological particle-like spin textures in…
Skyrmion pinning energetics in thin film systems
Raphael Gruber, Jakub Zázvorka, Maarten A. Brems +7
A key issue for skyrmion dynamics and devices are pinning effects present in real systems. While posing a challenge for the realization of conventional skyrmionics devices, exploit…
Constructing coarse-grained skyrmion potentials from experimental data with Iterative Boltzmann Inversion
Yuqing Ge, Jan Rothörl, Maarten A. Brems +5
In an effort to understand skyrmion behavior on a coarse-grained level, skyrmions are often described as 2D quasi particles evolving according to the Thiele equation. Interaction p…
Circuits and excitations to enable Brownian token-based computing with skyrmions
Maarten A. Brems, Mathias Kläui, Peter Virnau
Brownian computing exploits thermal motion of discrete signal carriers (tokens) for computations. In this paper we address two major challenges that hinder competitive realizations…
Commensurability between element symmetry and the number of skyrmions governing skyrmion diffusion in confined geometries
Chengkun Song, Nico Kerber, Jan Rothörl +10
Magnetic skyrmions are topological magnetic structures, which exhibit quasi-particle properties and can show enhanced stability against perturbation from thermal noise. Recently, t…
A minimal G-model for rebuilding whole genome structures from haploid single-cell Hi-C data
S. Wettermann, M. Brems, J. T. Siebert +3
We present a minimal computational model, which allows very fast, on-the-fly construction of three dimensional haploid interphase genomes from single cell Hi-C contact maps using t…