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We present a theoretical and experimental study of spin precession in the presence of both a static and an orthogonal oscillating magnetic field, which is nonresonant, not harmonically related to the Larmor precession, and of arbitrary…

Atomic Physics · Physics 2013-09-02 G. Bevilacqua , V. Biancalana , Y. Dancheva , L. Moi

By Faraday-rotation fluctuation spectroscopy one measures the spin noise via Faraday-induced fluctuations of the polarization plane of a laser transmitting the sample. In the fist part of this paper, we present a theoretical model of recent…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Matthias Braun , Jürgen König

We have observed multi-photon resonances in a system with a spin 3/2 irradiated simultaneously by a multiple pulse radiofrequency sequence and a low frequency field swept in the range 0-80 kHz. The used excitation scheme allowed us to…

Materials Science · Physics 2015-06-24 G. B. Furman , G. E Kibrik , A. Yu. Polyakov

The phase perturbation arising from spin-rotation coupling is developed as a natural extension of the celebrated Sagnac effect. Experimental evidence in support of this phase shift, however, has yet to be realized due to the exceptional…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Bahram Mashhoon , Richard Neutze , Mark Hannam , Geoffrey E. Stedman

We analyze theoretically magnetoresistance of high mobility two-dimensional electron systems being illuminated by multiple radiation sources. In particular, we study the influence on the striking effect of microwave-induced resistance…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Jesus Inarrea

We describe magnetic field sensor based on spin wave interferometer. Its sensing element consists of a magnetic cross junction with four micro-antennas fabricated at the edges. Two of these antennas are used for spin wave excitation and two…

Other Condensed Matter · Physics 2016-11-28 M. Balynsky , D. Gutierrez , H. Chiang , A. Kozhevnikov , Y. Filimonov , A. A. Balandin , A. Khitun

Detailed far-infrared spectra of the optical phonons are reported for antiferromagnetic MnO. Eigenfrequencies, phonon damping and effective plasma frequencies are studied as a function of temperature. Special attention is paid to the phonon…

Strongly Correlated Electrons · Physics 2008-06-26 T. Rudolf , Ch. Kant , F. Mayr , A. Loidl

Spin noise spectroscopy is a technique to measure magnetization fluctuations, a subject of increasing relevance in ultrafast spintronics. We investigate numerically the equilibrium spin noise of ferro- and antiferromagnets within an…

Materials Science · Physics 2024-11-28 Julius Schlegel , Martin Evers , Ulrich Nowak

We experimentally image the magnetic precession phase of patterned spin Hall multilayer samples to study the rf driving field vector using time-resolved anomalous Nernst effect (TRANE) microscopy. Our ferromagnetic resonance (FMR)…

Materials Science · Physics 2016-04-27 Feng Guo , Jason M. Bartell , Gregory D. Fuchs

The effect of inertial spin dynamics is compared between ferromagnetic, antiferromagnetic and ferrimagnetic systems. The linear response to an oscillating external magnetic field is calculated within the framework of the inertial…

Materials Science · Physics 2021-04-16 Ritwik Mondal , Sebastian Großenbach , Levente Rózsa , Ulrich Nowak

We develop a general formalism for analyzing the ferromagnetic resonance characteristics of a magnetic dimer consisting of two magnetic elements (in a horizontal or vertical configuration) coupled by dipolar interaction, taking account of…

Materials Science · Physics 2015-01-22 A. F. Franco , J. L. Déjardin , H. Kachkachi

Frequency mixing processes in spin systems have a variety of applications in meteorology and in quantum data processing. Spin spectroscopy based on frequency mixing offers some advantages, including the ability to eliminate crosstalk…

Quantum Physics · Physics 2023-10-13 Mohammed Attrash , Sergei Masis , Sergey Hazanov , Oleg Shtempluck , Eyal Buks

We study the interactions between oscillating non-resonant rf fields and atoms with strong spin-exchange collisions in the presence of a weak dc magnetic field. We find that the atomic Larmor precession frequency shows a new functional form…

Atomic Physics · Physics 2019-05-29 Chuanpeng Hao , Zheru Qiu , Qi Sun , Yuan Zhu , Dong Sheng

In magnetic resonance experiments, it is widely recognized that a nonuniform magnetic field can lead to an increase in the resonance line width, as well as a reduction in sensitivity and spectral resolution. However, a nonuniform magnetic…

Quantum Physics · Physics 2025-03-11 Xiangdong Zhang , Jinbo Hu , Da-Wu Xiao , Nan Zhao

We have performed a time-resolved and phase-sensitive investigation of three-magnon scattering of ferromagnetic resonance (FMR) over several orders of magnitude in excitation power. We observe a regime that hosts transient oscillations of…

Mesoscale and Nanoscale Physics · Physics 2023-02-15 Tao Qu , Alex Hamill , R. H. Victora , P. A. Crowell

Magnetic friction is a form of non-contact friction arising from the dissipation of energy in a magnet due to spin reorientation in a magnetic field. In this paper we study magnetic friction in the context of micromagnetics, using our…

Mesoscale and Nanoscale Physics · Physics 2019-09-04 Ilari Rissanen , Lasse Laurson

Starting from First Principles, the space charge manipulation of charged particles in an induction field in free space based on an unique Magnetic field strength and its oscillation Frequency relationship is demonstrated numerically and…

Plasma Physics · Physics 2024-07-10 Devesh S. Bhosale

Nonlinear spin dynamics are essential in exploring nonequilibrium quantum phenomena and have broad applications in precision measurement. Among these systems, the combination of a bias magnetic field and feedback mechanisms can induce…

Quantum Physics · Physics 2024-10-29 Tishuo Wang , Zhihuang Luo , Shizhong Zhang , Zhenhua Yu

The spin wave interference is studied in two dimensional Ising ferromagnet driven by two coherent spherical magnetic field waves by Monte Carlo simulation. The spin waves are found to propagate and interfere according to the classic rule of…

Statistical Mechanics · Physics 2017-07-19 Muktish Acharyya

New mechanism of magnetoresistance, based on tunneling-emission of spin polarized electrons from ferromagnets (FM) into semiconductors (S) and precession of electron spin in the semiconductor layer under external magnetic field, is…

Materials Science · Physics 2009-11-10 A. M. Bratkovsky , V. V. Osipov
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