Eigenmodes of Twisted Spin-Waves in a Thick Ferromagnetic Nanodisk
نویسندگان
چکیده
منابع مشابه
Spin-Orbit Twisted Spin Waves: Group Velocity Control.
We present a theoretical and experimental study of the interplay between spin-orbit coupling (SOC), Coulomb interaction, and motion of conduction electrons in a magnetized two-dimensional electron gas. Via a transformation of the many-body Hamiltonian we introduce the concept of spin-orbit twisted spin waves, whose energy dispersions and damping rates are obtained by a simple wave-vector shift ...
متن کاملControl of spin waves in a thin film ferromagnetic insulator through interfacial spin scattering.
Control of spin waves in a ferrite thin film via interfacial spin scattering was demonstrated. The experiments used a 4.6 μm-thick yttrium iron garnet (YIG) film strip with a 20-nm thick Pt capping layer. A dc current pulse was applied to the Pt layer and produced a spin current across the Pt thickness. As the spin current scatters off the YIG surface, it can either amplify or attenuate spin-w...
متن کاملExcitation of spin waves by tunneling electrons in ferromagnetic and antiferromagnetic spin-2 Heisenberg chains
J. P. Gauyacq1,2 and N. Lorente3 1CNRS, Institut des Sciences Moléculaires d’Orsay, ISMO, UMR 8214, Bâtiment 351, 91405 Orsay Cedex, France 2Université Paris-Sud, Institut des Sciences Moléculaires d’Orsay, ISMO, UMR 8214, Bâtiment 351, 91405 Orsay Cedex, France 3Centre d’Investigació en Nanociéncia i Nanotecnologia (CSIC-ICN), Campus de la UAB, E-08193 Bellaterra, Spain (Received 14 October 20...
متن کاملTwisted Radio Waves and Twisted Thermodynamics
We present and analyze a gedanken experiment and show that the assumption that an antenna operating at a single frequency can transmit more than two independent information channels to the far field violates the Second Law of Thermodynamics. Transmission of a large number of channels, each associated with an angular momenta 'twisted wave' mode, to the far field in free space is therefore not po...
متن کاملExcitation of propagating spin waves in ferromagnetic nanowires by microwave voltage-controlled magnetic anisotropy.
The voltage-controlled magnetic anisotropy (VCMA) effect, which manifests itself as variation of anisotropy of a thin layer of a conductive ferromagnet on a dielectric substrate under the influence of an external electric voltage, can be used for the development of novel information storage and signal processing devices with low power consumption. Here it is demonstrated by micromagnetic simula...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Social Science Research Network
سال: 2021
ISSN: ['1556-5068']
DOI: https://doi.org/10.2139/ssrn.3983799