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Related papers: Acoustic Faraday effect in Tb$_3$Ga$_5$O$_{12}$

200 papers

Strongly interacting phonons and orbital excitations are observed in the same energy range for CuSb$_2$O$_6$, unlocking a so-far unexplored type of electron-phonon interaction. An orbital wave at $\sim 550$ cm$^{-1}$ softens on warming and…

Strongly Correlated Electrons · Physics 2018-05-17 D. T. Maimone , A. B. Christian , J. J. Neumeier , E. Granado

The weakly non-linear interaction of slow magnetoacoustic and torsional Alfven waves propagating along an unperturbed poloidal magnetic field in a stellar interior is studied in the high plasma beta limit. It is shown that slow…

Astrophysics · Physics 2011-02-11 T. V. Zaqarashvili , G. Belvedere

Faraday rotation measure synthesis is a method for analyzing multichannel polarized radio emissions, and it has emerged as an important tool in the study of galactic and extra-galactic magnetic fields. The method requires the recovery of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 M. Andrecut , J. M. Stil , A. R. Taylor

We study two-dimensional $d$-wave altermagnetic metals taking into account the presence of substrate-induced Rashba spin-orbit coupling. We consider the altermagnet bandstructure using a 2D band Hamiltonian near the $\Gamma$ point under…

Strongly Correlated Electrons · Physics 2024-07-18 Peng Rao , Alexander Mook , Johannes Knolle

We provide a detailed study of the reflectivity of multiferroic TbMnO_3 for wave numbers from 40 cm^{-1} to 1000 cm^{-1} and temperatures 5 K < T < 300 K. Excitations are studied for polarization directions E || a, the polarization where…

Strongly Correlated Electrons · Physics 2010-01-22 M. Schmidt , Ch. Kant , T. Rudolf , F. Mayr , A. A. Mukhin , A. M. Balbashov , J. Deisenhofer , A. Loidl

We theoretically study the resonant tunneling and Fano resonance in quantum dots with electron-phonon (e-ph) interaction. We examine the bias-voltage ($V$) dependence of the decoherence, using Keldysh Green function method and perturbation…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Akiko Ueda , Mikio Eto

The phonon Hall effect has been observed in the paramagnetic insulator, Tb3Gd5O12. A magnetic field applied perpendicularly to a heat current induces a temperature gradient that is perpendicular to both the field and the current. We show…

Mesoscale and Nanoscale Physics · Physics 2014-12-24 M. Mori , A. Spencer-Smith , O. P. Sushkov , S. Maekawa

A theory of magnetophonon resonance in quantum wells in a magnetic field tilted to the perpendicular to 2DEG is developed. The resonance is due to the resonant interaction of 2D conduction electrons with the longitudinal optic phonons. The…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 V. V. Afonin , V. L. Gurevich , R. Laiho

The Barnett effect, discovered more than a century ago, describes how an inertial body with otherwise zero net magnetic moment acquires spontaneous magnetization when mechanically spinning. Breakthrough experiments have recently shown that…

Mesoscale and Nanoscale Physics · Physics 2026-03-31 C. S. Davies , F. G. N. Fennema , A. Tsukamoto , I. Razdolski , A. V. Kimel , A. Kirilyuk

The electromotive forces induced by surface acoustic waves (SAWs) are investigated in ferromagnetic thin films. CoFeB thin films deposited on LiNbO$_3$ substrates are patterned into Hall-bars to study the acoustoelectric transport…

Mesoscale and Nanoscale Physics · Physics 2019-10-08 Takuya Kawada , Masashi Kawaguchi , Masamitsu Hayashi

We report on a new class of magnetoresistance oscillations observed in a high-mobility two-dimensional electron gas (2DEG) in GaAs-Al$_x$Ga$_{1-x}$As heterostructures. Appearing in a weak magnetic field ($B<$ 0.3 T) and only in a narrow…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 M. A. Zudov , I. V. Ponomarev , A. L. Efros , R. R. Du , J. A. Simmons , J. L. Reno

The electrostatic theory of magnetoplasmons on a semi-infinite magnetized electron gas is generalized to mixed Faraday-Voigt configurations. We analyze a new type of electrostatic surface waves that is strongly direction-dependent, and may…

Optics · Physics 2021-05-20 Afshin Moradi , Martijn Wubs

Frequency-dependent polarization properties provide crucial insights into the radiation mechanisms and magnetic environments of fast radio bursts (FRBs). We explore an analytical solution of radiative transfer of the polarization properties…

High Energy Astrophysical Phenomena · Physics 2025-04-11 Wei-Yang Wang , Xiaohui Liu , Dongzi Li , Bing Zhang , Chen-Hui Niu , Jifeng Liu , Renxin Xu , Weiwei Zhu , Kejia Lee

We experimentally demonstrate a transverse acoustic (TA) phonon transistor. Phonons are coherently initiated by femtosecond photocarrier screening on potential gradients. Although translational symmetry within the isotropic plane normally…

Materials Science · Physics 2014-08-21 H. Jeong , Y. D. Jho , C. J. Stanton

The goal of this work is to constrain the strength and structure of the magnetic field associated with the environment of the radio source 3C 449, using observations of Faraday rotation, which we model with a structure function technique…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 D. Guidetti , R. A. Laing , M. Murgia , F. Govoni , L. Gregorini , P. Parma

We study the propagation of gravitational waves (GW) in a uniformly magnetized plasma at arbitrary angles to the magnetic field. No a priori assumptions are made about the temperature, and we consider both a plasma at rest and a plasma…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Joachim Moortgat , Jan Kuijpers

We report the observation of the magnetic field induced circular differential deflection of light at the interface of a Faraday medium. The difference in the angles of refraction or reflection between the two circular polarization…

Optics · Physics 2009-11-13 Ambarish Ghosh , Peer Fischer

We present a new approach to controlling magnetization in gold nanoparticles using the Inverse Faraday Effect combined with Laguerre-Gauss beams carrying orbital angular momentum. By tailoring the tilt of isophase planes, we induce drift…

Optics · Physics 2025-04-02 Xingyu Yang , Chantal Harreau , Mathieu Mivelle

The propagation of the transverse-longitudinal acoustic pulses through a strained cubic crystal containing the resonant paramagnetic impurities with effective spin S=1 is investigated. It is supposed that the pulses propagate under…

Pattern Formation and Solitons · Physics 2009-11-11 S. V. Sazonov , N. V. Ustinov

We report {\it quantitative} microwave Faraday rotation measurements conducted with a high-mobility two-dimensional electron gas (2DEG) in a GaAs/AlGaAs semiconductor heterostructure. In a magnetic field, the Hall effect and the Faraday…