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We develop an analytical model for describing the magnetization dynamics in ferromagnetic metal nanoparticles, which is based on the coupled system of the Landau-Lifshitz-Gilbert (LLG) and Maxwell equations. By solving Maxwell's equations…

Mesoscale and Nanoscale Physics · Physics 2014-07-29 S. I. Denisov , T. V. Lyutyy , B. O. Pedchenko , H. V. Babych

The dispersion relation of vertically oscillating fluid surfaces has been a subject extensively studied in the past, as well as surface instabilities produced by electrohydrodynamic (EHD) waves in similar configurations. In the present work…

Fluid Dynamics · Physics 2024-05-29 Raúl Fernández-Mateo , Alberto T. Pérez

The increased spectral resolution allowed by the use of extremely thin vapor cells has led to the observation of interesting behaviour of alkali transitions when placed in a magnetic field. Particularly, transitions obeying an apparent…

Atomic Physics · Physics 2022-04-06 Armen Sargsyan , Arevik Amiryan , Ara Tonoyan , Emmanuel Klinger , David Sarkisyan

Electromagnetic crimping is a high-velocity joining method to join highly conductive workpieces where a pulsed magnetic field is applied without any working medium or mechanical contact to deform the workpiece. This work explores…

High Energy Physics - Experiment · Physics 2021-05-18 Deepak Kumar , Shafeeque E. S. , Sachin D. Kore , Arup Nandy

We have designed an experiment that involves studying the effects of a conducting plate on the motion of an oscillating disc magnet. We have employed the video analysis method by Tracker software to investigate the variation of…

Physics Education · Physics 2026-05-06 Sanjoy Kumar Pal , Soumen Sarkar , Pradipta Panchadhyayee , Debapriyo Syam

The electrodynamics of topological insulators (TIs) is described by modified Maxwell's equations, which contain additional terms that couple an electric field to a magnetization and a magnetic field to a polarization of the medium, such…

Strongly Correlated Electrons · Physics 2017-05-16 V. Dziom , A. Shuvaev , A. Pimenov , G. V. Astakhov , C. Ames , K. Bendias , J. Böttcher , G. Tkachov , E. M. Hankiewicz , C. Brüne , H Buhmann , L. W. Molenkamp

This work constructs an advanced force field, the Completely Multipolar Model (CMM), to quantitatively reproduce each term of an energy decomposition analysis (EDA) for aqueous solvated alkali metal cations and halide anions and their ion…

Chemical Physics · Physics 2024-10-14 J. P. Heindel , L. Kim , M. Head-Gordon , T. Head-Gordon

The anisotropy of magnetic emulsions induced by simultaneously acting electric and magnetic fields is theoretically and experimentally investigated. Due to the anisotropy, the electric conductivity and magnetic permeability of a magnetic…

Materials Science · Physics 2011-09-13 Yury I. Dikansky , Alexander N. Tyatyushkin , Arthur R. Zakinyan

We investigate the effects of weakly and strongly stratified turbulent convection on the mean effective Lorentz force, and especially on the mean effective magnetic pressure. Earlier studies with isotropically forced non-stratified and…

Solar and Stellar Astrophysics · Physics 2012-05-15 P. J. Käpylä , A. Brandenburg , N. Kleeorin , M. J. Mantere , I. Rogachevskii

Electrometry near a dielectric surface is performed using Rydberg electromagnetically induced transparency (EIT). The large polarizability of high n-state Rydberg atoms gives this method extreme sensitivity. We show that adsorbates on the…

Atomic Physics · Physics 2015-05-28 R. P. Abel , C. Carr , U. Krohn , C. S. Adams

Using an isospin- and momentum-dependent transport model, we examine the effects of an electric field induced by a variable magnetic field on the \pi^{-}/\pi^{+} ratio in central to peripheral heavy-ion collisions at beam energies of 400…

Nuclear Theory · Physics 2016-08-03 Gao-Feng Wei , Shi-Hai Dong , Xin-Wei Cao , Yun-Liang Zhang

The search for particle electric dipole moments (edm) is one of the best places to look for physics beyond the standard model because the size of time reversal violation predicted by the standard model is incompatible with present ideas…

Nuclear Experiment · Physics 2009-11-10 S. K. Lamoreaux , R. Golub

A classic application of coronal seismology uses transverse oscillations of waveguides to obtain estimates of the magnetic field strength. The procedure requires information on the density of the structures. Often, it ignores the damping of…

Solar and Stellar Astrophysics · Physics 2019-05-08 I. Arregui , M. Montes-Solis , A. Asensio Ramos

With the development of condensed-matter physics and nanotechnology, attention has turned to the fields near and on surfaces that result from interactions between electric dipole radiation and mesoscale structures. It is hoped that studying…

Optics · Physics 2022-01-07 Qiang Sun , Evert Klaseboer

The interaction of magnetic fields and stratified convection was studied in the context of the solar and late type stellar dynamos by using numerical 3D MHD simulations. The topology of stratified asymmetric and over-turning convection…

Astrophysics · Physics 2007-05-23 Bertil Dorch , Aake Nordlund

A thermodynamic model for the generation of magnetic fields in the planets is proposed, considering crossed effects between gravitational and electric forces. The magnetic field of the Earth is estimated and found to be in agreement with…

Astrophysics · Physics 2007-05-23 F. X. Alvarez

A simple collisional three-component plasma model consisting of electrons, ions, and neutrals with arbitrary collision frequencies and dynamic time scales is considered. It is shown that the usual MHD-approach dealing with magnetic field…

Solar and Stellar Astrophysics · Physics 2014-02-20 Anatoly K. Nekrasov

The effects of ground-state correlations on the magnetic dipole excitations in $^{40}$Ca are studied using an extended random phase approximation (ERPA) derived from the time-dependent density-matrix theory. Comparison is made with other…

Nuclear Theory · Physics 2020-11-25 Mitsuru Tohyama

The problem of the surface current excitation in a conductive targets by a relativistic electron electric field as the origin of such radiation mechanisms as diffraction and transition radiation of relativistic electron was considered in…

Accelerator Physics · Physics 2020-07-03 G. Naumenko , A. Potylitsyn , Yu. Popov , L. Sukhikh

In this work we perform direct numerical simulations of three-dimensional magnetohydrodynamics with a background magnetic field, representing solar wind plasma, and introduce test particles to explore how a turbulent electromagnetic…

Plasma Physics · Physics 2023-09-20 B. Balzarini , F. Pugliese , P. Dmitruk
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