Stochastic magnetization dynamics in single domain particles

Giordano, S.; Dusch, Yannick; Tiercelin, Nicolas; Pernod, Philippe; Preobrazhensky, Vladimir

Document type :

Article dans une revue scientifique

DOI :

10.1140/epjb/e2013-40128-x

Title :

Stochastic magnetization dynamics in single domain particles

Author(s) :

Giordano, S. [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Dusch, Yannick [Auteur]
Tiercelin, Nicolas [Auteur]
Pernod, Philippe [Auteur]
Preobrazhensky, Vladimir [Auteur]

Journal title :

The European Physical Journal B: Condensed Matter and Complex Systems

Pages :

249-1-11

Publisher :

Springer-Verlag

Publication date :

2013

ISSN :

1434-6028

HAL domain(s) :

Sciences de l'ingénieur [physics]
Physique [physics]

English abstract : [en]

Magnetic particles are largely utilized in several applications ranging from magnetorheological fluids to bioscience and from nanothechnology to memories or logic devices. The behavior of each single particle at finite ...
Show more >Magnetic particles are largely utilized in several applications ranging from magnetorheological fluids to bioscience and from nanothechnology to memories or logic devices. The behavior of each single particle at finite temperature (under thermal stochastic fluctuations) plays a central role in determining the response of the whole physical system taken into consideration. Here, the magnetization evolution is studied through the Landau-Lifshitz-Gilbert formalism and the non-equilibrium statistical mechanics is introduced with the Langevin and Fokker-Planck methodologies. As result of the combination of such techniques we analyse the stochastic magnetization dynamics and we numerically determine the convergence time, measuring the velocity of attainment of thermodynamic equilibrium, as function of the system temperature.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Non spécifiée

Popular science :

Non

Collections :

Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

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