Zobrazeno 1 - 10
of 480
pro vyhledávání: '"Virnau, P."'
Autor:
Raab, Klaus, Schmitt, Maurice, Brems, Maarten A., Rothörl, Jan, Kammerbauer, Fabian, Krishnia, Sachin, Kläui, Mathias, Virnau, Peter
Magnetic skyrmions, topologically stabilized chiral magnetic textures with particle-like properties have so far primarily been studied statically. Here, we experimentally investigate the dynamics of skyrmion ensembles in metallic thin film conduits w
Externí odkaz:
http://arxiv.org/abs/2403.07397
We investigate with numerical simulations the molecular origin of viscosity in melts of flexible and semiflexible oligomer rings in comparison to corresponding systems with linear chains. The strong increase of viscosity with ring stiffness is linked
Externí odkaz:
http://arxiv.org/abs/2305.15886
Via computer simulations we study evolution dynamics in systems of continuously moving Active Brownian Particles. The obtained results are discussed against those from the passive 2D Ising case. Following sudden quenches of uniform configurations to
Externí odkaz:
http://arxiv.org/abs/2212.06477
We investigate knotting probabilities of long double-stranded DNA strands in a coarse-grained Kratky-Porod model for DNA with Monte Carlo simulations. Various ionic conditions are implemented by adjusting the effective diameter of monomers. We find t
Externí odkaz:
http://arxiv.org/abs/2211.07326
Publikováno v:
Protein Science. 2022; 31( 8):e4380
The computer artificial intelligence system AlphaFold has recently predicted previously unknown three-dimensional structures of thousands of proteins. Focusing on the subset with high-confidence scores, we algorithmically analyze these predictions fo
Externí odkaz:
http://arxiv.org/abs/2207.07410
Autor:
Gruber, Raphael, Zázvorka, Jakub, Brems, Maarten A., Rodrigues, Davi R., Dohi, Takaaki, Kerber, Nico, Seng, Boris, Everschor-Sitte, Karin, Virnau, Peter, Kläui, Mathias
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, exploiting pinning effects can enable non-conventional computing approaches i
Externí odkaz:
http://arxiv.org/abs/2201.01618
Recent experiments demonstrated that knots in single DNA strands can be formed by hydrodynamic compression in a nanochannel. In this letter, we further elucidate the underlying molecular mechanisms by carrying out a compression experiment in silico,
Externí odkaz:
http://arxiv.org/abs/2111.11079
Autor:
Ge, Yuqing, Rothörl, Jan, Brems, Maarten A., Kerber, Nico, Gruber, Raphael, Dohi, Takaaki, Kläui, Mathias, Virnau, Peter
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 potentials are the key missing parameters for predictive modeling of ex
Externí odkaz:
http://arxiv.org/abs/2110.14333
Publikováno v:
Appl. Phys. Lett. 119, 132405 (2021)
Brownian computing exploits thermal motion of discrete signal carriers (tokens) for computations. In this paper we address two major challenges that hinder competitive realizations of circuits and application of Brownian token-based computing in actu
Externí odkaz:
http://arxiv.org/abs/2107.02097
Autor:
Datta, Ranajay, Yelash, Leonid, Schmid, Friederike, Kummer, Florian, Oberlack, Martin, Lukáčová-Medvid'ová, Maria, Virnau, Peter
We investigate the molecular origin of shear-thinning in melts of flexible, semiflexible and rigid oligomers with coarse-grained simulations of a sheared melt. Alignment, stretching and tumbling modes or suppression of the latter all contribute to un
Externí odkaz:
http://arxiv.org/abs/2101.03645