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Hybrid quantum systems exhibiting coupled optical, spin, and mechanical degrees of freedom can serve as a platform for sensing, or as a bus to mediate interactions between qubits with disparate energy scales. These systems are also creating…

量子物理 · 物理学 2020-01-08 Pablo R. Zangara , Alexander Wood , Marcus W. Doherty , Carlos. A. Meriles

Photo-induced magnetic force between nanostructures, at optical frequencies, is investigated theoretically. Till now optical magnetic effects are not used in scanning probe microscopy because of the vanishing natural magnetism with…

To realize spin wave logic gates programmable phase inverters are essential. We image with phase-resolved Brillouin light scattering microscopy propagating spin waves in a one-dimensional magnonic crystal consisting of dipolarly coupled…

介观与纳米尺度物理 · 物理学 2021-04-23 Korbinian Baumgaertl , Dirk Grundler

Spin dynamics in spiral magnetic structures has been investigated. It has been shown that the internal spatially dependent magnetic field in such structures produces a new mechanism of spin relaxation.

介观与纳米尺度物理 · 物理学 2020-01-08 Igor Lyapilin

Solid cylindrical nanowires are vulnerable to a Rayleigh-Plateau-type morphological instability. The instability results in a wire breakup, followed by formation of a chain array of spherical nanoparticles. In this paper, a base model of a…

材料科学 · 物理学 2023-04-04 Mikhail Khenner

A study of nonreciprocal transverse-spin angular-momentum-density shifts for evanescent waves in magneto-optic waveguide media is presented. Their functional relation to electromagnetic spin- and orbital-momenta is presented and analyzed.…

光学 · 物理学 2016-07-05 Miguel Levy , Dolendra Karki

Strongly nonlinear transport through Diluted Magnetic Semiconductor multiquantum wells occurs due to the interplay between confinement, Coulomb and exchange interaction. Nonlinear effects include the appearance of spin polarized stationary…

介观与纳米尺度物理 · 物理学 2009-10-14 R. Escobedo , M. Carretero , L. L. Bonilla , G. Platero

The chiral magnetic effect emerges from a miroscopic level, and its interesting consequences have been discussed in the dynamics of the early universe, neutron stars and quark-gluon plasma. An instability is caused by anomalous electric…

高能天体物理现象 · 物理学 2019-03-01 Yasufumi Kojima , Yuri Miura

Mechanical vibrations are known to affect frictional sliding and the associated stick-slip patterns causing sometimes a drastic reduction of the friction force. This issue is relevant for applications in nanotribology and to understand…

材料科学 · 物理学 2015-05-13 Rosario Capozza , Andrea Vanossi , Alessandro Vezzani , Stefano Zapperi

In this paper we present an overview of recent progress made in the understanding of the spin-torque induced magnetization dynamics in nanodevices using mesoscopic micromagnetic simulations. We first specify how a spin-torque term may be…

介观与纳米尺度物理 · 物理学 2009-11-13 D. V. Berkov , J. Miltat

Bistability in nanomechanical resonators can be exploited for sensing, signal processing, and memory applications due to its potential for switching and high sensitivity to external stimuli. External vibration can be used to drive a…

应用物理 · 物理学 2025-09-26 Toji Thomas , Kevin F. MacDonald , Eric Plum

Due to their nonlinear properties, spin transfer nano-oscillators can easily adapt their frequency to external stimuli. This makes them interesting model systems to study the effects of synchronization and brings some opportunities to…

We consider inelastic scattering of localized magnetic moments coupled with the electrons on the surface. We argue that spin-inelastic transitions of the magnetic impurities generate oscillations at a momentum $k$, corresponding to the…

介观与纳米尺度物理 · 物理学 2012-04-06 J. Fransson , A. V. Balatsky

As nanomagnetic devices scale to smaller sizes, spin-orbit coupling due to the broken structural inversion symmetry at interfaces becomes increasingly important. Here we study interfacial spin-orbit coupling effects in magnetic bilayers…

介观与纳米尺度物理 · 物理学 2013-11-26 Kyoung-Whan Kim , Hyun-Woo Lee , Kyung-Jin Lee , M. D. Stiles

We have theoretically investigated the electromechanical properties of a freely suspended carbon nanotube that is connected to a constant-current source and subjected to an external magnetic field. We show that self-excitation of mechanical…

介观与纳米尺度物理 · 物理学 2012-04-25 Anders Nordenfelt , Yury Tarakanov , Leonid Y. Gorelik , Robert I. Shekhter , Mats Jonson

Spin-dependent transport is investigated in ballistic regime through the interface between a ferromagnet and a spin spiral. We show that spin-dependent interferences lead to a new type of diffraction called "spin-diffraction". It is shown…

介观与纳米尺度物理 · 物理学 2009-11-13 Aurélien Manchon , Natalya Ryzhanova , A. Vedyayev , Bernard Dieny

We theoretically show how the spin orientation of a single magnetic adatom can be controlled by spin polarized electrons in a scanning tunneling microscope configuration. The underlying physical mechanism is spin assisted inelastic…

介观与纳米尺度物理 · 物理学 2010-03-11 F. Delgado , J. J. Palacios , J. Fernandez-Rossier

A spin transport model is employed to study the effects of spin dephasing induced by diffusion-driven transit-time uncertainty through semiconductor spintronic devices where drift is the dominant transport mechanism. It is found that in the…

材料科学 · 物理学 2009-11-13 Biqin Huang , Ian Appelbaum

Spin dependent electron transport measurements on graphene are of high importance to explore possible spintronic applications. Up to date all spin transport experiments on graphene were done in a semi-classical regime, disregarding quantum…

介观与纳米尺度物理 · 物理学 2014-05-01 M. H. D. Guimaraes , P. J. Zomer , I. J. Vera-Marun , B. J. van Wees

We study in detail the recent suggestions by Tshiprut et al. [Phys. Rev. Lett. 95, 016101 (2005)] to tune tribological properties at the nanoscale by subjecting a substrate to periodic mechanical oscillations. We show that both in…

介观与纳米尺度物理 · 物理学 2011-06-14 Roberto Guerra , Andrea Vanossi , Michael Urbakh