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Related papers: Microwave Hearing Effect: Cochlea as a Demodulator…

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We report electrical detection of the dynamical part of the spin pumping current emitted during ferromagnetic resonance (FMR) using the inverse Spin Hall Effect (ISHE). The experiment is performed on a YIG$|$Pt bilayer. The choice of YIG, a…

Mesoscale and Nanoscale Physics · Physics 2013-11-26 Christian Hahn , Grégoire de Loubens , Michel Viret , Vladimir V. Naletov , J. Ben Youssef , Olivier Klein

We give a theoretical treatment of magnetic dipole absorption of electromagnetic radiation in small conducting particles, at photon energies which are large compared to the single particle level spacing, and small compared to the plasma…

Condensed Matter · Physics 2009-10-30 M. Wilkinson , B. Mehlig , P. N. Walker

The non-resonant electromagnetic transmission of a normal-incident plane wave through a single hole in a perfect conductor metal slab of finite width is studied. The cases of rectangular and circular holes are treated in detail. For holes…

Materials Science · Physics 2009-11-13 A. Yu. Nikitin , D. Zueco , F. J. Garcia-Vidal , L. Martin-Moreno

The perceived pitch of a complex harmonic sound changes if the partials of the sound are frequency-shifted by a fixed amount. Simple mathematical rules that the perceived pitch could be expected to follow ('first pitch-shift') are violated…

Biological Physics · Physics 2014-09-30 Florian Gomez , Ruedi Stoop

We present a systematic theoretical study of the multi-photon nonlinear optical absorption properties of a $\text{GaAs/A}{{\text{l}}_{x}}\text{G}{{\text{a}}_{1-x}}\text{As}$ based quantum well (QW) structure with Morse confinement potential…

Mesoscale and Nanoscale Physics · Physics 2025-01-03 Tran Ky Vi , Nguyen Anh Tuan , Le Nguyen Dinh Khoi , Nguyen Quang Hoc , Anh-Tuan Tran

We study nonlinear inter-subband microwave absorption of electrons bound to the liquid helium surface. Already for a comparatively low radiation intensity, resonant absorption due to transitions between the two lowest subbands is…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Denis Konstantinov , M. I. Dykman , M. J. Lea , Yu. P. Monarkha , K. Kono

In the TE wave method, microwaves are coupled into the beam-pipe and the effect of the electron cloud on these microwaves is measured. An electron cloud (EC) density can then be calculated from this measurement. There are two analysis…

Accelerator Physics · Physics 2013-07-17 John P. Sikora , Robert M. Schwartz , Kiran G. Sonnad , David Alesini , Stefano De Santis

This paper describes a simple microwave apparatus to measure the Hall effect in semiconductor wafers. The advantage of this technique is that it does not require contacts on the sample or the use of a resonant cavity. Our method consists of…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 J. E. Coppock , J. R. Anderson , W. B. Johnson

In recent years, photoacoustics has attracted intensive research for both anatomical and functional biomedical imaging. However, the physical interaction between photoacoustic generated endogenous waves and an exogenous ultrasound wave is a…

Optics · Physics 2016-01-22 Fei Gao , Xiaohua Feng , Yuanjin Zheng , Claus-Dieter Ohl

In the black hole perturbation theory framework, two different physical pictures for echoes in compact objects have been proposed. The first mechanism interprets echoes as repeated reflections of gravitational waves within a potential well,…

General Relativity and Quantum Cosmology · Physics 2024-09-16 Shui-Fa Shen , Kai Lin , Tao Zhu , Yu-Peng Yan , Cheng-Gang Shao , Wei-Liang Qian

Spin Hall effect is the transverse flow of the electron spin in conductors under external electric field. Similarly, thermal gradient in magnetic insulators can drive a transverse flow of the spin angular momentum of magnons, which provides…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Sungjoon Park , Bohm-Jung Yang

The experimental study of the modulation of the envelope of spin-echo signals due to internal and external fields is an important spectroscopic tool to detect very small internal magnetic fields. We derive the free induction decay and the…

Strongly Correlated Electrons · Physics 2015-06-18 Changtao Hou , D. E. MacLaughlin , C. M. Varma

The human cochlea is a remarkable device, able to discern extremely small amplitude sound pressure waves, and discriminate between very close frequencies. Simulation of the cochlea is computationally challenging due to its complex geometry,…

Numerical Analysis · Mathematics 2025-10-20 Edward Givelberg , Julian Bunn

The tuning curve of the cochlea measures how large an input is required to elicit a given output level as a function of the frequency. It is a fundamental object of auditory theory, for it summarizes how to infer what a sound was on the…

Biological Physics · Physics 2013-05-29 Marcelo O. Magnasco

The magnetoresistance oscillations, which occur in a two-dimensional electron system exposed to strong microwave radiation when the microwave frequency $\omega$ coincides with the n-th subharmonic of the cyclotron frequency $\omega_c$ have…

Mesoscale and Nanoscale Physics · Physics 2009-02-24 S. I. Dorozhkin , J. H. Smet , K. von Klitzing , L. N. Pfeiffer , K. W. West

We propose a mechanism of intrinsic spin Hall effect (SHE). In this mechanism, local orbital angular momentum (OAM) induces electron position shift and couples with the bias electric field to generate orbital Hall effect (OHE). SHE then…

Mesoscale and Nanoscale Physics · Physics 2014-07-15 Wonsig Jung , Dongwook Go , Hyun-Woo Lee , Changyoung Kim

In this letter, we present experimental data demonstrating spin wave interference detection using spin Hall effect (ISHE). Two coherent spin waves are excited in a yttrium-iron garnet (YIG) waveguide by continuous microwave signals. The…

Mesoscale and Nanoscale Physics · Physics 2024-06-19 Michael Balynskiy , Howard Chiang , David Gutierrez , Alexander Khitun

The absorption coefficient for surface acoustic waves in a piezoelectric insulator in contact with a GaAs/AlGaAs heterostructure (with two-dimensional electron mobility $\mu= 1.3\times 10^5 cm^2/V\cdot s)$ at T=4.2K) via a small gap has…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 I. L. Drichko , A. M. Diakonov , A. M. Kreshchuk , T. A. Polyanskaya , I. G. Savel'ev , I. Yu. Smirnov , A. V. Suslov

Microscopic model of the interaction of spins with a microwave field in a random-anisotropy magnet has been developed. Numerical results show that microwave absorption occurs in a broad range of frequencies due to the distribution of…

Materials Science · Physics 2021-06-09 D. A. Garanin , E. M. Chudnovsky

Anomalous Hall Effect (AHE) response in magnetic systems is typically proportional to an out-of-plane magnetization component because of the restriction imposed by system symmetries, which demands that the magnetization, applied electric…

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