Titov S.V., Coffey W.T., Kalmykov Yu.P., Zarifakis M., Titov A. S. Coupled physical and magnetodynamic rotational diffusion of a single domain ferromagnetic nanoparticle suspended in a liquid. Physical Review E , 2021 , 103. 052128.
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A concise operator form of the Fokker-Planck equation agreeing with that proposed by Weizenecker (Phys. Med. Biol. 63, 035004, 2018) for the joint orientational distribution of the coupled physical and magnetodynamic rotational diffusion of a single-domain ferromagnetic nanoparticle suspended in a liquid is written from the postulated Langevin equations for the stochastic dynamics. Series expansion of its solution in a complete set yields, using the theory of angular momentum differential-recurrence equations for statistical moments for coupled motion with uniaxial symmetry of the internal anisotropy-Zeeman energy of a nanoparticle. The numerical results via the matrix iteration method suggest that the susceptibility is adequately approximated by a single Lorentzian with peak frequency given by the inverse integral relaxation time and are discussed in relation to those of the well-known “egg model”.
| Тип объекта: | Статья |
|---|---|
| Авторы на русском. ОБЯЗАТЕЛЬНО ДЛЯ АНГЛОЯЗЫЧНЫХ ПУБЛИКАЦИЙ!: | Титов С.В., Коффи В.Т., Калмыков Ю.П., Зарифакис М., Титов А.С. |
| Подразделения (можно выбрать несколько, удерживая Ctrl): | 276 лаб. элементов систем лазерной связи |
| URI: | http://cplire.ru:8080/id/eprint/9826 |
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