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Related papers: Chaotic studies in Magnetic Dipoles

200 papers

The influence of noise on the generalized synchronization regime in the chaotic systems with dissipative coupling is considered. If attractors of the drive and response systems have an infinitely large basin of attraction, generalized…

We have studied needle shaped three-dimensional classical spin systems with purely dipolar interactions in the microcanonical ensemble, using both numerical simulations and analytical approximations. We have observed spontaneous…

Statistical Mechanics · Physics 2015-06-16 George Miloshevich , Thierry Dauxois , Ramaz Khomeriki , S. Ruffo

An experimental investigation on the periodic and chaotic oscillations in a reflex plasma source in presence of magnetic field is presented. The experiment is conducted in a reflex plasma source, consisting of two cathodes and a ring anode.…

We study dilute suspensions of magnetic nanoparticles in a nematic host, on two-dimensional (2D) polygons. These systems are described by a nematic order parameter and a spontaneous magnetization, in the absence of any external fields. We…

Soft Condensed Matter · Physics 2021-05-19 Yucen Han , Joseph Harris , Joshua Walton , Apala Majumdar

We study the conditions under which the nucleons inside a deformed nucleus can undergo chaotic motion. To do this we perform self-consistent calculations in semiclassical approximation utilizing a multipole-multipole interaction of the…

Nuclear Theory · Physics 2009-10-22 Wolfgang Bauer , Vladimir Zelevinsky , Peter Schuck

The rotational dynamics of magnetic nano particles in rotating magnetic fields in the presence of thermal noise is studied both theoretically and by performing numerical calculations. Kinetic equations for the dynamics of particles with…

Fluid Dynamics · Physics 2017-03-29 Klaus D. Usadel

Recent experimental and theoretical studies on the magnetization dynamics driven by an electric current have uncovered a number of unprecedented rich dynamic phenomena. We predict an intrinsic chaotic dynamics that has not been previously…

Other Condensed Matter · Physics 2007-09-27 Z. Yang , S. Zhang , Y. Charles Li

It is demonstrated that decimation of the one dimensional Ising model, with periodic boundary conditions, results in a non-linear renormalisation transformation for the couplings which can lead to chaotic behaviour when the couplings are…

Statistical Mechanics · Physics 2009-10-22 B. P. Dolan

We investigate the dynamics of two-dimensional assemblies of rod-shaped magnetic colloids under the influence of an external rotating magnetic field. Using Molecular Dynamics, we simulate the formation of patterns that emerge based on the…

Soft Condensed Matter · Physics 2024-05-27 Jorge L. C. Domingos , F. Q. Potiguar , C. L. N. Oliveira , W. P. Ferreira

We consider a permanent magnetic dipole in an oscillating magnetic field. This magnetic oscillator has two dynamical symmetries. With increasing the amplitude $A$ of the magnetic field, dynamical behaviors associated with the symmetries are…

chao-dyn · Physics 2009-09-25 Sang-Yoon Kim

Under the action of an alternating perpendicular magnetic field the polarity of the vortex state nanodisk can be efficiently switched. We predict the regular and chaotic dynamics of the vortex polarity and propose simple analytical…

Mesoscale and Nanoscale Physics · Physics 2013-08-09 Oleksandr V. Pylypovskyi , Denis D. Sheka , Volodymyr P. Kravchuk , Franz G. Mertens , Yuri Gaididei

The nonlinear dc conductance of a two-terminal chaotic cavity is investigated. The fluctuations of the conductance (anti)symmetric with respect to magnetic flux inversion through multichannel cavities are found analytically for arbitrary…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Mikhail L. Polianski , Markus Buttiker

This study investigates the dynamics of a magnetic pendulum under time-varying magnetic excitation with a position-dependent phase. The system exhibits complex chaotic and regular dynamics, validated through simulations and experiments. The…

Chaotic Dynamics · Physics 2025-01-03 Krystian Polczyński , Maksymilian Bednarek , Jan Awrejcewicz

We report results from a computer simulation study on the rotational ratchet effect in systems of magnetic particles interacting via dipolar interactions. The ratchet effect consists of directed rotations of the particles in an oscillating…

Soft Condensed Matter · Physics 2015-06-11 Sebastian Jäger , Sabine H. L. Klapp

Cosmic black holes can act as agents of particle acceleration. We study properties of a system consisting of a rotating black hole immersed in a large-scale organized magnetic field. Electrically charged particles in the immediate…

High Energy Astrophysical Phenomena · Physics 2011-10-21 Ondřej Kopáček

The effect of the strength of the focusing magnetic field on chaotic dynamic processes occurring inan electron beam with a virtual cathode, as well as on the processes whereby the structures form in the beamand interact with each other, is…

Plasma Physics · Physics 2007-05-23 E. N. Egorov , A. E. Hramov

Magnetic field uniformity is of the utmost importance in experiments to measure the electric dipole moment of the neutron. A general parametrization of the magnetic field in terms of harmonic polynomial modes is proposed, going beyond the…

The thermally activated magnetic relaxation in two-dimensional ensembles of dipolar interacting nanoparticles with large uniaxial perpendicular anisotropy is studied by a numerical method and within the mean-field approximation. The role…

Condensed Matter · Physics 2009-11-10 S. I. Denisov , T. V. Lyutyy , K. N. Trohidou

We study the effect of a magnetic field on the behaviour of a conducting elastic rod subject to a novel set of boundary conditions that, in the case of a transversely isotropic rod, give rise to exact helical post-buckling solutions. The…

Dynamical Systems · Mathematics 2015-06-04 J. Valverde , G. H. M. van der Heijden

In this set of lectures, we review briefly some of the recent developments in the study of the chaotic dynamics of nonlinear oscillators, particularly of damped and driven type. By taking a representative set of examples such as the…

chao-dyn · Physics 2009-10-30 M. Lakshmanan