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- S I Denisov, T V Lyutyy, P Hänggi
- Physical review letters
- 2006

The investigation of a sizable thermal enhancement of magnetization is put forward for uniaxial ferromagnetic nanoparticles that are placed in a rotating magnetic field. We elucidate the nature of this phenomenon and evaluate the resonant frequency dependence of the induced magnetization. Moreover, we reveal the role of magnetic dipolar interactions, point… (More)

- T V Lyutyy, S I Denisov, V V Reva, Yu S Bystrik
- Physical review. E, Statistical, nonlinear, and…
- 2015

We study the deterministic and stochastic rotational dynamics of ferromagnetic nanoparticles in a precessing magnetic field. Our approach is based on the system of effective Langevin equations and on the corresponding Fokker-Planck equation. Two key characteristics of the rotational dynamics, namely the average angular frequency of precession of… (More)

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… (More)

- A. Yu. Polyakov, T. V. Lyutyy, S. Denisov, V. V. Reva, Peter Hänggi
- Computer Physics Communications
- 2013

We present an approach to molecular-dynamics simulations of ferrofluids on graphics processing units (GPUs). Our numerical scheme is based on a GPU-oriented modification of the Barnes–Hut (BH) algorithm designed to increase the parallelism of computations. For an ensemble consisting of a million ferromagnetic particles, the performance of the proposed… (More)

- S I Denisov, T V Lyutyy, E S Denisova, P Hänggi, H Kantz
- Physical review. E, Statistical, nonlinear, and…
- 2009

We study directed transport of overdamped particles in a periodically rocked random sawtooth potential. Two transport regimes can be identified which are characterized by a nonzero value of the average velocity of particles and a zero value, respectively. The properties of directed transport in these regimes are investigated both analytically and… (More)

- T V Lyutyy, A Yu Polyakov, A V Rot-Serov, C Binns
- Journal of physics. Condensed matter : an…
- 2009

We present a comprehensive study of the magnetization switching of a uniaxial nanoparticle driven by a circularly polarized magnetic field rotated in the plane perpendicular to the easy axis. The conditions for the existence of the uniform and non-uniform precessions of the nanoparticle magnetic moment are derived. In addition, the differences between… (More)

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