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Related papers: Interaction of magnetic-dipolar modes with microwa…

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The dynamic response of dipole skyrmions in Fe/Gd multilayer films is investigated by ferromagnetic resonance measurements and compared to micromagnetic simulations. We detail thickness and temperature dependent studies of the observed…

Different ways exist in optics to realize photons carrying nonzero orbital angular momentum. Such photons with rotating wave fronts are called twisted photons. In microwaves, twisted fields can be produced based on small ferrite particles…

Optics · Physics 2015-06-04 M. Berezin , E. O. Kamenetskii , R. Shavit

The interaction of electromagnetic radiation with temporally dispersive magnetic solids of small dimensions may show very special resonant behaviors. The internal fields of such samples are characterized by magnetostatic-potential scalar…

Materials Science · Physics 2009-11-11 E. O. Kamenetskii

We show that in a source-free subwavelength region of microwave fields there can exist the field structures with local coupling between the time-varying electric and magnetic fields differing from the electric-magnetic coupling in…

Optics · Physics 2011-11-21 E. O. Kamenetskii

Under the influence of the material environment, electromagnetic fields in the near-field regime exhibit quite different nature from those in the far-field free space. A coupled state of an electromagnetic field with an electric or magnetic…

Optics · Physics 2015-05-20 E. O. Kamenetskii , R. Joffe , R. Shavit

Under microwave irradiation, in 2D electron systems with high filling factors oscillations of longitudinal magnetoresistance appear in the range of magnetic fields where ordinary SdH oscillations are suppressed. An unusual beat-like…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. E. Patrakov , I. I. Lyapilin

We investigate the impact of microwave excited spin excitations on the DC charge transport in a ferromagnetic (FM) grating. We observe both resonant and nonresonant microwave photoresistance. Resonant features are identified as the…

Other Condensed Matter · Physics 2009-11-11 Y. S. Gui , S. Holland , N. Mecking , C. -M. Hu

Non-collinear magnets exhibit a rich array of dynamic properties at microwave frequencies. They can host nanometre-scale topological textures known as skyrmions, whose spin resonances are expected to be highly sensitive to their local…

Two magnets in relative motion interact through their dipolar fields, making individual magnetic moments dynamically adapt to the changes in the energy landscape and bringing about collective magnetization dynamics. Some of the energy of…

Mesoscale and Nanoscale Physics · Physics 2019-10-09 Ilari Rissanen , Lasse Laurson

We theoretically find that in a multiferroic chiral magnet Cu2OSeO3, resonant magnetic excitations are coupled to collective oscillation of electric polarization, and thereby attain simultaneous activity to ac magnetic field and ac electric…

Strongly Correlated Electrons · Physics 2015-11-24 Masahito Mochizuki

Resonant scattering of electromagnetic (EM) waves by small particles is considered as one of the basic problem in metamaterial science. At present, special subwavelength resonators are considered as structural elements in chiral and…

Mesoscale and Nanoscale Physics · Physics 2023-02-01 E. O. Kamenetskii

We analyzed the magnetoresistivity of a two-dimensional electron system excited by microwave radiation in a regime of high intensities and low frequencies. In such a regime, recent experiments show that different features appear in the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jesus Inarrea

The duality between the electric and magnetic dipoles inspires recent comparisons between ferronics and magnonics. Here we predict surface polarization waves or ``ferrons" in ferroelectric insulators, taking the long-range dipolar…

Mesoscale and Nanoscale Physics · Physics 2023-03-01 Xi-Han Zhou , Chengyuan Cai , Ping Tang , R. L. Rodríguez-Suárez , S. M. Rezende , G. E. W. Bauer , Tao Yu

In the search for improved permanent magnets, fueled by the geostrategic and environmental issues associated with rare-earth-based magnets, magnetically hard (high anisotropy)-soft (high magnetization) composite magnets hold promise as…

We propose a theory for the new effects recently observed by Willett et al [1] in the magnetoresistance of a weakly modulated two dimensional electron gas near filling factor 1/2. Minima in transverse magnetoresistance and maxima in…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Nataliya A. Zimbovskaya , Joseph L. Birman

It is expected on both evolutionary and empirical grounds that many merging neutron star (NS) binaries are composed of a highly magnetized NS in orbit with a relatively low magnetic field NS. I study the magnetic interactions of these…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Anthony L. Piro

The resonant enhancement of mechanical and optical interaction in optomechanical cavities enables their use as extremely sensitive displacement and force detectors. In this work we demonstrate a hybrid magnetometer that exploits the…

The rectangular microwave resonator filed by a ferrite with uniaxial magnetic anisotropy is considered. It is shown that this task can be reduced to an empty rhombus resonator with vertex angle defined by external magnetic field provided…

Chaotic Dynamics · Physics 2009-11-07 Evgeny N. Bulgakov , Almas F. Sadreev

It is known that under microwave irradiation, in 2D electron systems with high filling factors oscillations of longitudinal magnetoresistance appear in the range of magnetic fields where ordinary SdH oscillations are suppressed. In the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. E. Patrakov , I. I. Lyapilin

The results of three-dimensional MHD numerical simulations are used to investigate the characteristic properties of the magnetic-field structures in the accretion disks of semi-detached binary systems. It is assumed that the intrinsic…

Solar and Stellar Astrophysics · Physics 2010-07-21 A. G. Zhilkin , D. V. Bisikalo