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Magneto-plasticity occurs when a weak magnetic field alters material plasticity and offers a viable solution to enhance ductile-mode cutting of brittle materials. This study demonstrates the susceptibility of non-magnetic single-crystal…

Materials Science · Physics 2021-11-17 Yunfa Guo , Yan Jin Lee , Yu Zhang , Anastassia Sorkin , Sergei Manzhos , Hao Wang

We present an experimental and numerical study of three-magnon splitting in a micrometer-sized magnetic disk with the vortex state strongly deformed by static in-plane magnetic fields. Excited with a large enough power at frequency…

Mesoscale and Nanoscale Physics · Physics 2023-03-08 Lukas Körber , Christopher Heins , Ivan Soldatov , Rudolf Schäfer , Attila Kákay , Helmut Schultheiss , Katrin Schultheiss

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

In the perspective of developing smart hybrid materials with customized features, ferrogels and magnetorheological elastomers allow a synergy of elasticity and magnetism. The interplay between elastic and magnetic properties gives rise to a…

Soft Condensed Matter · Physics 2016-10-12 Giorgio Pessot , Hartmut Löwen , Andreas M. Menzel

We study the magnetic damping in the simplest of synthetic antiferromagnets, i.e. antiferromagnetically exchange-coupled spin valves in which applied magnetic fields tune the magnetic configuration to become noncollinear. We formulate the…

Mesoscale and Nanoscale Physics · Physics 2015-08-07 Takahiro Chiba , Gerrit E. W. Bauer , Saburo Takahashi

Motivated by the need to understand current-induced magnetization dynamics at the nanoscale, we have developed a formalism, within the framework of Keldysh Green function approach, to study the current-induced dynamics of a ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 Farzad Mahfouzi , Nicholas Kioussis

Two ferromagnetic layers magnetically decoupled by a thick normal metal spacer layer can be, nevertheless, dynamically coupled via spin currents emitted by the spin-pump and absorbed through the spin-torque effects at the neighboring…

Mesoscale and Nanoscale Physics · Physics 2014-04-14 A. A. Timopheev , Yu. G. Pogorelov , S. Cardoso , P. P. Freitas , G. N. Kakazei , N. A. Sobolev

Damping effects form the core of many emerging concepts for high-speed spintronic applications. Important characteristics such as device switching times and magnetic domain-wall velocities depend critically on the damping rate. While the…

Materials Science · Physics 2020-12-08 Christian Tzschaschel , Takuya Satoh , Manfred Fiebig

It is generally believed that filament formation involves a process of the accumulation of magnetic energy. However, in this paper we discuss the idea that filaments will not erupt and will only deform when the stored magnetic energy is…

Solar and Stellar Astrophysics · Physics 2022-08-02 Ruisheng Zheng , Liang Zhang , Changhui Rao , Bing Wang , Huadong Chen , Libo Zhong , Yao Chen

We present the experimental realization of a continuous dynamical decoupling scheme which suppresses leading frequency shifts in a multi-ion frequency reference based on $^{40}\mathrm{Ca}^+$. By near-resonant magnetic coupling of the…

Drying suspensions often leave behind complex patterns of particulates, as might be seen in the coffee stains on a table. Here we consider the dynamics of periodic band or uniform solid film formation on a vertical plate suspended partially…

Soft Condensed Matter · Physics 2014-12-05 C. Nadir Kaplan , Ning Wu , Shreyas Mandre , Joanna Aizenberg , L. Mahadevan

The role of the geometric fluctuations on the multifractal properties of the local magnetization of aperiodic ferromagnetic Ising models on hierachical lattices is investigated. The geometric fluctuations are introduced by generalized…

Disordered Systems and Neural Networks · Physics 2009-10-31 E. Nogueira , R. F. S. Andrade , S. Coutinho

Small steady-state deformational oscillations of a drop of a viscous magnetic liquid in a non-stationary uniform magnetic field are theoretically investigated for low Reynolds numbers. The drop is suspended in another viscous magnetic…

Fluid Dynamics · Physics 2022-06-22 Alexander N. Tyatyushkin

The momentum distribution function (MDF) bands of iron-group transition metals from Sc to Cu have been investigated on the basis of the first-principles momentum dependent local ansatz wavefunction method. It is found that the MDF for $d$…

Strongly Correlated Electrons · Physics 2017-04-05 Yoshiro Kakehashi , Sumal Chandra

We analyze an axisymmetric magnetohydrodynamics configuration, describing the morphology of a purely differentially rotating thin plasma disk, in which linear and non-linear perturbations are triggered associated with microscopic magnetic…

Solar and Stellar Astrophysics · Physics 2018-10-02 Giovanni Montani , Mariachiara Rizzo , Nakia Carlevaro

Magnonic crystals with locally alternating properties and specific periodicities exhibit interesting effects, such as a multitude of different spin-wave states and large band gaps. This work aims for demonstrating and understanding the key…

An accretion disk around a rotating magnetized star is subjected to magnetic torques which induce disk warping and precession. These torques arise from interactions between the stellar field and the induced surface currents on the disk.…

Astrophysics · Physics 2007-05-23 Akiko Shirakawa , Dong Lai

The resistivity of disordered metallic layer sandwiched by two ferromagnetic layers at low-temperature is investigated theoretically. It is shown that the magnetic field acting at the interface does not affect the classical Boltzmann…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Gen Tatara , Hidetoshi Fukuyama

Convective instability in a ferrofluid layer heated from below or from above in the presence of a uniform vertical magnetic field is investigated theoretically. Convection is caused by a magnetic mechanism based on the temperature and…

Soft Condensed Matter · Physics 2007-05-23 Mark I. Shliomis

We theoretically consider magnetization dynamics in a ferromagnetic slab induced by the magnetic field of a strong femtosecond laser pulse. The longitudinal geometry, in which the initial magnetization lies in both the plane of incidence…

Mesoscale and Nanoscale Physics · Physics 2025-04-01 Evgeny A. Karashtin , Tatiana V. Murzina