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Related papers: Magnetic-dipolar-mode vortices and microwave subwa…

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For dipole-carrying excitations observed in a high-quality resonator, strong-coupling modes can appear as composite bosons with the spontaneous formation of quantized vortices in the condensed phase of a polariton fluid. In…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 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

In magnetic systems with reduced dimensionality, the effects of dipolar interactions allow the existence of long-range ordered phases. Long-range magnetic-dipolar interactions are at the heart of the explanation of many peculiar phenomena…

Materials Science · Physics 2009-09-29 E. O. Kamenetskii

Long range dipole-dipole correlation in a ferromagnetic sample can be treated in terms of collective excitations of the system as a whole. Ferrite samples with linear dimensions smaller than the dephasing length, but still much larger than…

Optics · Physics 2015-06-17 E. O. Kamenetskii , G. Vaisman , R. Shavit

Magnetic dipolar mode or magnetostatic (MS) oscillations in ferrite samples have the wavelength much smaller than the electromagnetic wavelength at the same frequency and, at the same time, much larger than the exchange interaction spin…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 E. O. Kamenetskii , R. Shavit , M. Sigalov

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 wide range of interesting electromagnetic behavior of contemporary materials requires that experimentalists working in this field master many diverse measurement techniques and have a broad understanding of condensed matter physics and…

Optics · Physics 2015-02-05 R. Joffe , E. O. Kamenetskii , R. Shavit

We discuss the problem of magnetic-dipolar oscillations combined with microwave resonators. The energy density of magnetic-dipolar or magnetostatic (MS) oscillations in ferrite resonators is not the electromagnetic-wave density of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 E. O. Kamenetskii , A. K. Saha , I. Awai

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

In this paper we show that magnetic-dipolar-mode (MDM) oscillations of a quasi-2D ferrite disk are characterized by unique symmetry features with topological phases resulting in appearance of the magnetoelectric (ME) properties. The entire…

Materials Science · Physics 2008-05-06 M. Sigalov , E. O. Kamenetskii , R. Shavit

Magnetic-dipolar-mode (MDM) oscillations in a quasi-2D ferrite disk show unique dynamical symmetry properties resulting in appearance of topologically distinct structures. Based on the magnetostatic (MS) spectral problem solutions, in this…

Materials Science · Physics 2008-07-29 M. Sigalov , E. O. Kamenetskii , R. Shavit

In the preceding paper, we have shown analytically that in a source-free subwavelength region of microwave fields there exist the field structures with local coupling between the time-varying electric and magnetic fields differing from the…

Optics · Physics 2011-11-21 E. O. Kamenetskii , R. Joffe , R. Shavit

In a normally magnetized thin-film ferrite disk with magnetic-dipolar modes, one can observe magnetoelectric oscillations. Such magnetoelectric properties of an electrically small sample can be considered as very attractive phenomena in…

Materials Science · Physics 2008-12-15 E. O. Kamenetskii , M. Sigalov , R. Shavit

Artificial magnetism at optical frequencies can be realized in metamaterials composed of periodic arrays of subwavelength elements, also called "meta-atoms". Optically-induced magnetic moments can be arranged in both unstaggered structures,…

Classical Physics · Physics 2020-04-08 Vladimir R. Tuz , Pengchao Yu , Victor Dmitriev , Yuri S. Kivshar

The near fields originated from a small quasi-two-dimensional ferrite disk with magnetic-dipolar-mode (MDM) oscillations are the fields with broken dual (electric-magnetic) symmetry. Numerical studies show that such fields, called the…

Optics · Physics 2015-12-18 R. Joffe , R. Shavit , E. O. Kamenetskii

In confined magnetically ordered structures one can observe vortices of magnetization and electromagnetic power flow vortices. There are topologically distinct and robust states. In this paper we show that in a normally magnetized quasi-2D…

Materials Science · Physics 2008-04-11 M. Sigalov , E. O. Kamenetskii , R. Shavit

In microwave resonant systems with ferrite samples, one becomes faced with specific phase relations for the electromagnetic fields. Such specific phase relations may lead to appearance of nontrivial states: electromagnetic vortices. This…

Classical Physics · Physics 2007-07-04 M. Sigalov , E. Kamenetskii , R. Shavit

The effect of quantum coherence involving macroscopic degree of freedom, and occurring in systems far larger than individual atoms are one of the topical fields in modern physics. Because of material dispersion, a phenomenological approach…

Optics · Physics 2019-05-01 E. O. Kamenetskii

Magnetic dipolar modes (MDMs) in a quasi 2D ferrite disk are microwave energy eigenstate oscillations with topologically distinct structures of rotating fields and unidirectional power flow circulations. At the first glance, this might seem…

Classical Physics · Physics 2017-10-11 R. Joffe , E. O. Kamenetskii , R. Shavit

The linear magnetoelectric (ME) effect provides a special route for linking magnetic and electric properties. In microwaves, a local ME effect appears due to the dynamical symmetry breakings of magnetic-dipolar modes (MDMs) in a ferrite…

Materials Science · Physics 2015-05-13 E. O. Kamenetskii
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