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Ever since its discovery, the electron spin has only been measured or manipulated through the application of an electromagnetic force acting on the associated magnetic moment. In this work, we propose a spin Aharonov-Bohm effect in which…

介观与纳米尺度物理 · 物理学 2010-11-05 Joseph Maciejko , Eun-Ah Kim , Xiao-Liang Qi

We propose a method for inducing magnetization reversal using an AC spin current polarized perpendicular to the equilibrium magnetization of the free magnetic layer. We show that the critical AC spin current is significantly smaller than…

介观与纳米尺度物理 · 物理学 2015-06-05 Tom Dunn , Alex Kamenev

Motivated by several experimental efforts to understand spin diffusion and transport in ultracold fermionic gases, we study the spin dynamics of initially spin-polarized ensembles of harmonically trapped non-interacting spin-1/2 fermionic…

量子气体 · 物理学 2015-09-16 Andrew P. Koller , Joshua Mundinger , Michael L. Wall , Ana Maria Rey

Spin-rotation coupling, which is responsible for angular momentum conversion between the electron spin and rotational deformations of elastic media, is exploited for generating spin current. This method requires neither magnetic moments nor…

介观与纳米尺度物理 · 物理学 2015-06-12 Mamoru Matsuo , Jun'ichi Ieda , Kazuya Harii , Eiji Saitoh , Sadamichi Maekawa

The origin of extragalactic magnetic fields is still poorly understood. Based on a dedicated suite of cosmological magneto-hydrodynamical simulations with the ENZO code we have performed a survey of different models that may have caused…

宇宙学与河外天体物理 · 物理学 2017-11-22 F. Vazza , M. Brüggen , C. Gheller , S. Hackstein , D. Wittor , P. M. Hinz

We consider a model of the dynamics of a magnetic grain, incorporating interactions with nuclear and paramagnetic spins, conduction electrons, and phonons. Decoherence comes both from the spins and the electrons, although electron effects…

凝聚态物理 · 物理学 2007-05-23 N. V. Prokof'ev , P. C. E. Stamp

The magnetic spin Hall effect arises from a reactive counterpart of the dissipative spin response that is responsible for the ordinary spin Hall effect. This interpretation is supported by the dependence of spin Hall effect signals on the…

介观与纳米尺度物理 · 物理学 2024-11-27 José Holanda

Recent advances in the studies of pure spin currents - flows of angular momentum (spin) not accompanied by the electric currents - have opened new horizons for the emerging technologies based on the electron's spin degree of freedom, such…

介观与纳米尺度物理 · 物理学 2017-03-03 V. E. Demidov , S. Urazhdin , G. de Loubens , O. Klein , V. Cros , A. Anane , S. O. Demokritov

We report on a novel dynamical phenomenon in electron spin resonance experiments of phosphorus donors. When strongly coupling the paramagnetic ensemble to a superconducting lumped element resonator, the coherent exchange between these two…

介观与纳米尺度物理 · 物理学 2020-09-30 Stefan Weichselbaumer , Matthias Zens , Christoph W. Zollitsch , Martin S. Brandt , Stefan Rotter , Rudolf Gross , Hans Huebl

The rapidly rising fields of spintronics and quantum information science have led to a strong interest in developing the ability to coherently manipulate electron spins. Electron spin resonance (ESR) is a powerful technique to manipulate…

材料科学 · 物理学 2009-11-13 M. Pioro-Ladriere , T. Obata , Y. Tokura , Y. -S. Shin , T. Kubo , K. Yoshida , T. Taniyama , S. Tarucha

The effect of the spatially varying spin current on a skyrmion is numerically investigated. It is shown that an inhomogeneous current density induces an elongation of the skyrmion. This elongation can be controlled using current pulses of…

介观与纳米尺度物理 · 物理学 2021-09-27 Floris van Duijn , Javier Osca , Bart Sorée

The influence of a uniform external magnetic field on the dynamical spin response of cuprate superconductors in the superconducting state is studied based on the kinetic energy driven superconducting mechanism. It is shown that the magnetic…

超导电性 · 物理学 2008-11-05 Jingge Zhang , Li Cheng , Huaiming Guo , Shiping Feng

Spin waves are perturbations in the relative orientation of magnetic moments in a continuous magnetic system, which have been proposed as a new kind of information carrier for spin-based low power applications. For this purpose, a major…

介观与纳米尺度物理 · 物理学 2017-06-20 Michele Voto , Luis Lopez-Diaz , Eduardo Martinez

Resonant behavior involving spin-orbit entangled states occurs for spin transport along a narrow channel defined in a two-dimensional electron gas, including an apparent rapid relaxation of the spin polarization for special values of the…

介观与纳米尺度物理 · 物理学 2014-04-02 D. H. Berman , M. Khodas , M. E. Flatté

Using micromagnetics we demonstrate that the r.f. field produced by a spin valve can be used to reverse the magnetization in a magnetic nanoparticle. The r.f. field is generated using a current that specifically excites a uniform spin wave…

材料科学 · 物理学 2009-11-13 K. Rivkin , J. Ketterson , W. Saslow

Twisted spin waves attracted research attentions lately and the orbital angular momentum they carry may be utilized in communication and computing technologies. In this work, we manifest by micromagnetic simulations that twisted spin wave…

介观与纳米尺度物理 · 物理学 2021-06-09 Peiyuan Huang1 , Ruifang Wang

The occurrence of a finite mismatch between the up and down spin energy channels due to the application of an electric field, leading to the generation of a polarized spin current from an unpolarized beam in antiferromagnetic materials, has…

介观与纳米尺度物理 · 物理学 2025-11-19 Suparna Sarkar , Santanu K. Maiti

Through an extended kinetic model, we study the nonlinear generation of quasi-static magnetic fields by high-frequency fields in a plasma, taking into account the effects of the electron spin. It is found that although the largest part of…

等离子体物理 · 物理学 2015-05-19 M. Stefan , G. Brodin , F. Haas , M. Marklund

We present an introductory overview of the use of spin chains as quantum wires, which has recently developed into a topic of lively interest. The principal motivation is in connecting quantum registers without resorting to optics. A spin…

其他凝聚态物理 · 物理学 2008-02-12 Sougato Bose

Pure spin current is a powerful tool for manipulating spintronic devices, and its dynamical behavior is an important issue. By using mesoscopic transport theory for electron tunneling induced by spin accumulation, we investigate the…

介观与纳米尺度物理 · 物理学 2022-07-25 Shuichi Iwakiri , Yasuhiro Niimi , Kensuke Kobayashi