Please use this identifier to cite or link to this item: http://essuir.sumdu.edu.ua/handle/123456789/2621
Or use following links to share this resource in social networks: Recommend this item
Title Dynamical and thermal effects in nanoparticle systems driven by a rotating magnetic field
Authors Denysov, Stanislav Ivanovych  
Liutyi, Taras Volodymyrovych  
Hanggi, P.
Trohidou, K.N.
Keywords thermal effects
Landau-Lifshitz equation
Fokker-Planck equation
magnetic nanoparticle
rotating magnetic field
Type Article
Date of Issue 2006
URI http://essuir.sumdu.edu.ua/handle/123456789/2621
Publisher
License
Citation
Abstract We study dynamical and thermal effects that are induced in nanoparticle systems by a rotating magnetic field. Using the deterministic Landau-Lifshitz equation and appropriate rotating coordinate systems, we derive the equations that characterize the steady-state precession of the nanoparticle magnetic moments and study a stability criterion for this type of motion. On this basis, we describe i) the influence of the rotating field on the stability of the small-angle precession, ii) the dynamical magnetization of nanoparticle systems, and iii) the switching of the magnetic moments under the action of the rotating field. Using the backward Fokker-Planck equation, which corresponds to the stochastic Landau-Lifshitz equation, we develop a method for calculating the mean residence times that the driven magnetic moments dwell in the up and down states. Within this framework, the features of the induced magnetization and magnetic relaxation are elucidated. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/2621
Appears in Collections: Наукові видання (ЕлІТ)

Views

China China
5
France France
1
Germany Germany
515
Iran Iran
1
Netherlands Netherlands
12
Norway Norway
1
Russia Russia
19
Slovakia Slovakia
2
Turkey Turkey
3
Ukraine Ukraine
8561
United Kingdom United Kingdom
3
United States United States
513
Unknown Country Unknown Country
139

Downloads

China China
29
France France
1
Germany Germany
516
Ukraine Ukraine
8562
United States United States
514
Unknown Country Unknown Country
224

Files

File Size Format Downloads
PhysRevB2006_74_104406.pdf 289,48 kB Adobe PDF 9846

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.