Microwave Absorption by a Rigid Dipole in a Viscous Fluid

被引:3
|
作者
Reva, V. V. [1 ]
Lyutyy, T. V. [2 ]
机构
[1] Adam Mickiewicz Univ, NanoBioMed Ctr, 85 Umultowska St, PL-61614 Poznan, Poland
[2] Sumy State Univ, Elect & Informat Technol Fac, 2 Rimsky Korsakov St, UA-40007 Sumy, Ukraine
关键词
ferrofluid; rigid dipole; Fokker Planck equation; time-periodic field; power loss; MAGNETIC FLUID; FIELD; NANOPARTICLES;
D O I
10.1109/YSF.2016.7753812
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present a comprehensive theoretical and numerical study of the stochastic rotational motion of a high anisotropic ferromagnetic nanoparticle in a viscous carrier driven by a time-periodic field. The effects of energy absorption of circularly and linearly polarized fields are analyzed. The analytical expressions and numerical data for the probability density and the power loss are compared for different values of the system parameters. Their coincidence and divergence are discussed.
引用
收藏
页码:104 / 107
页数:4
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