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Transmission of a normally incident plane wave through a metasurface with bicontrollable subwavelength scattering elements was simulated using a commercial software. Some pixels comprising the $H-shaped scattering elements were made of a…

光学 · 物理学 2018-05-23 Francesco Chiadini , Akhlesh Lakhtakia

The dynamical responses of a ferromagnetic film to a propagating spherical electromagnetic wave passing through it are studied by Monte Carlo simulation of two dimensional Ising ferromagnet. For a fixed set of values of the frequency and…

统计力学 · 物理学 2015-06-16 Muktish Acharyya

The interaction between off-resonant laser pulses and excitons in monolayer transition metal dichalcogenides is attracting increasing interest as a route for the valley-selective coherent control of the exciton properties. Here, we extend…

We revisit the non-collinear exchange coupling across the trilayer magnetic junction mediated by the diluted-magnetic-semiconductor thin film. By numerical approaches, we investigate the spiral angle between the ferromagnetic layers…

介观与纳米尺度物理 · 物理学 2009-11-11 Chia-Hui Lin , Hsiu-Hau Lin , Tzay-Ming Hong

Angular momentum transport in magnetic multilayered structures plays a central role in spintronic physics and devices. The angular momentum currents or spin currents are carried by either quasi-particles such as electrons and magnons, or by…

材料科学 · 物理学 2025-08-04 Kai Chen , Weiwei Lin , C. L. Chien , Shufeng Zhang

Strong ferromagnetic interlayer exchange couplings $J$ in perpendicularly magnetized systems are becoming increasingly desirable for applications. We study whether ferromagnetic interlayer exchange couplings can be measured by a combination…

材料科学 · 物理学 2016-04-22 Thibaut Devolder

We show that the electric dipole-dipole interaction between a pair of polar molecules undergoes an all-out transformation when superimposed by a far-off resonant optical field. The combined interaction potential becomes tunable by variation…

原子物理 · 物理学 2015-05-30 Mikhail Lemeshko , Bretislav Friedrich

The nature of the exchange coupling variation in an antiferromagnetic spin-1/2 system can be used to tailor its ground-state properties. In particular, dimerized Heisenberg rings containing domain walls have localized states which can serve…

量子物理 · 物理学 2013-05-29 Vanita Srinivasa , Jeremy Levy

Appropriate combinations of laser beams can be used to trap and manipulate small particles with "optical tweezers" as well as to induce significant "optical binding" forces between particles. These interaction forces are usually strongly…

光学 · 物理学 2019-06-26 Georges Bruegger , Luis Froufe-Perez , Frank Scheffold , Juan Jose Saenz

Recent advances in scanning tunneling microscopy have enabled quantum-coherent control of single surface spins via all-electric electron spin resonance (ESR). Such control requires magnetoelectric coupling, since spin resonance is a…

介观与纳米尺度物理 · 物理学 2025-10-31 Xue Zhang , Jose Reina-Gálvez , Di'an Wu , Jan Martinek , Andreas J. Heinrich , Taeyoung Choi , Christoph Wolf

Ferromagnetic resonance properties of F$_1$/f/F$_2$/AF multilayers, where weakly ferromagnetic spacer f is sandwiched between strongly ferromagnetic layers F$_1$ and F$_2$, with F$_1$ being magnetically soft and F$_2$ - magnetically hard…

介观与纳米尺度物理 · 物理学 2018-04-25 A. F. Kravets , A. I. Tovstolytkin , Yu. I. Dzhezherya , D. M. Polishchuk , I. M. Kozak , V. Korenivski

We observe strongly nonlinear spin dynamics in ferro-/antiferro-magnetic multilayers, controlled by the number of bilayers in the system, layer thicknesses, as well as temperature, peaking in magnitude near the N\'eel point of the…

介观与纳米尺度物理 · 物理学 2025-06-23 O. Busel , D. Polishchuk , A. Kravets , V. Korenivski

The superexchange theory predicts dominant antiferromagnetic kinetic interaction when the orbitals accommodating magnetic electrons are covalently bonded through diamagnetic bridging atoms/groups. Here we show that explicit consideration of…

Nuclear spin exchange occurs in ultracold collisions of fermionic alkaline-earth-like atoms due to a difference between s- and p-wave phase shifts. We study the use of an optical Feshbach resonance, excited on the ${}^1S_0 \to {}^3P_1$…

量子物理 · 物理学 2013-05-29 Iris Reichenbach , Paul S. Julienne , Ivan H. Deutsch

Aging in a two-dimensional Ising spin model with both ferromagnetic exchange and antiferromagnetic dipolar interactions is established and investigated via Monte Carlo simulations. The behaviour of the autocorrelation function $C(t,t_w)$ is…

统计力学 · 物理学 2009-10-31 Julio H. Toloza , Francisco A. Tamarit , Sergio A. Cannas

Recent observations of topological spin textures brought spintronics one step closer to new magnetic memories. Nevertheless, the existence of Skyrmions, as well as their stabilization, require very specific intrinsic magnetic properties…

介观与纳米尺度物理 · 物理学 2017-04-19 E. A. Stepanov , C. Dutreix , M. I. Katsnelson

The exchange coupling of two magnetic layers via a diffuse oxide interlayer is studied with an atomistic spin model. We investigate the effect of magnetic concentration and oxide layer thickness on the effective exchange coupling strength…

材料科学 · 物理学 2015-06-22 R. F. L. Evans , Q. Coopman , S. Devos , W. J. Fan , O. Hovorka , R. W. Chantrell

We use nominally forbidden electron-nuclear spin transitions in nitrogen-vacancy (NV) centers in diamond to demonstrate coherent manipulation of a nuclear spin ensemble using microwave fields at room temperature. We show that employing an…

量子物理 · 物理学 2021-04-21 P. Huillery , J. Leibold , T. Delord , L. Nicolas , J. Achard , A. Tallaire , G. Hétet

The analytical theory for a ferromagnetic antiferromagnetic bilayer with a compensated interface has been developed using an explicit expression for the interfacial interaction energy density. A stability of a solution describing domain…

材料科学 · 物理学 2007-05-23 N. A. Usov , Ching-Ray Chang , Zung-Hang Wei

We investigate spin-wave modes in confined ferromagnetic resonators with spherical and cylindrical geometries across the exchange-dominated, dipole-exchange, and dipolar interaction regimes. Starting from the linearized…

介观与纳米尺度物理 · 物理学 2026-03-30 Fedor Shuklin , Khristina Albitskaya , Sergei Solovyov , Alexander Chernov , Mihail Petrov