Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Vansteenkiste, Arne"'
Autor:
Wang, Weiwei, Dvornik, Mykola, Bisotti, Marc-Antonio, Chernyshenko, Dmitri, Beg, Marijan, Albert, Maximilian, Vansteenkiste, Arne, Waeyenberge, Bartel V., Kuchko, Andriy N., Kruglyak, Volodymyr V., Fangohr, Hans
Publikováno v:
Physical Review B 92, 054430 (2015)
A phenomenological equation called Landau-Lifshitz-Baryakhtar (LLBar) equation, which could be viewed as the combination of Landau-Lifshitz (LL) equation and an extra "exchange damping" term, was derived by Baryakhtar using Onsager's relations. We in
Externí odkaz:
http://arxiv.org/abs/1508.01478
Autor:
Leliaert, Jonathan, Vansteenkiste, Arne, Coene, Annelies, Dupré, Luc, Van Waeyenberge, Bartel
We present Vinamax, a simulation tool for nanoparticles that aims at simulating magnetization dynamics on very large timescales. To this end, each in dividual nanoparticle is approximated by a macrospin. Vinamax numerically solves the Landau-Lifshitz
Externí odkaz:
http://arxiv.org/abs/1408.0908
Autor:
Vansteenkiste, Arne, Leliaert, Jonathan, Dvornik, Mykola, Garcia-Sanchez, Felipe, Van Waeyenberge, Bartel
We report on the design, verification and performance of mumax3, an open-source GPU-accelerated micromagnetic simulation program. This software solves the time- and space dependent magnetization evolution in nano- to micro scale magnets using a finit
Externí odkaz:
http://arxiv.org/abs/1406.7635
We present a method for the investigation of gigahertz magnetization dynamics of single magnetic nano elements. By combining a frequency domain approach with a micro focus Kerr effect detection, a high sensitivity to magnetization dynamics with submi
Externí odkaz:
http://arxiv.org/abs/1405.6551
In this work, a self-consistent thermodynamic approach to micromagnetism is presented. The magnetic degrees of freedom are modeled using the Landau-Lifshitz-Baryakhtar theory, that separates the different contributions to the magnetic damping, and th
Externí odkaz:
http://arxiv.org/abs/1402.3487
Publikováno v:
Phys. Rev. B 89, 224408 (2014)
Ultrathin metallic ferromagnets on substrates with strong spin-orbit coupling can exhibit induced chiral interactions of the Dzyaloshinskii-Moriya (DM) form. For systems with perpendicular anisotropy, the presence of DM interactions has important con
Externí odkaz:
http://arxiv.org/abs/1401.4439
We report a numerical implementation of the Landau-Lifshitz-Baryakhtar theory, which dictates that the micromagnetic relaxation term obeys the symmetry of the magnetic crystal, i. e. replacing the single intrinsic damping constant with a tensor of co
Externí odkaz:
http://arxiv.org/abs/1305.1641
Observation of non-linear magnetic vortex gyration by X-ray microscopy and micromagnetic simulations
Autor:
Vansteenkiste, Arne, Van de Wiele, Ben, Weigand, Markus, Stoll, Hermann, Chou, Kang W., Tyliszczak, Tolek, Woltersdorf, Georg, Back, Christian H., Schütz, Gisela, Van Waeyenberge, Bartel
Magnetic vortex gyration in a 500 nm wide, 50 nm thick Permalloy square platelet was investigated using time-resolved scanning transmission x-ray microscopy and micromagnetic simulations. The response of the vortex core on an in-plane oscillating mag
Externí odkaz:
http://arxiv.org/abs/1110.0828
Autor:
Vansteenkiste, Arne, Van de Wiele, Ben
We present MuMax, a general-purpose micromagnetic simulation tool running on Graphical Processing Units (GPUs). MuMax is designed for high performance computations and specifically targets large simulations. In that case speedups of over a factor 100
Externí odkaz:
http://arxiv.org/abs/1102.3069
Autor:
Kammerer, Matthias, Weigand, Markus, Curcic, Michael, Noske, Matthias, Sproll, Markus, Stoll, Hermann, Vansteenkiste, Arne, Van Waeyenberge, Bartel, Woltersdorf, Georg, Back, Christian, Schuetz, Gisela
Publikováno v:
Kammerer, M. et al. Magnetic vortex core reversal by excitation of spin waves. Nat. Commun. 2:279 doi: 10.1038/ncomms1277 (2011)
Micron-sized magnetic platelets in the flux closed vortex state are characterized by an in-plane curling magnetization and a nanometer-sized perpendicularly magnetized vortex core. Having the simplest non-trivial configuration, these objects are of g
Externí odkaz:
http://arxiv.org/abs/1008.4719