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Related papers: Spin-orbit locking of magnons with localized micro…

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Understanding how the orbital motion of electrons is coupled to the spin degree of freedom in nanoscale systems is central for applications in spin-based electronics and quantum computation. We demonstrate this coupling of spin and orbit in…

Spin-lattice relaxation is a key open problem to understand the spin dynamics of single-molecule magnets and molecular spin qubits. While modelling the coupling between spin states and local vibrations allows to determine the more relevant…

Atomic and Molecular Clusters · Physics 2021-11-08 Aman Ullah , José J. Baldoví , Alejandro Gaita-Ariño , Eugenio Coronado

Excitation of magnons or spin-waves driven by nominally unpolarized transport currents in point contacts of normal and ferromagnetic metals is probed by irradiating the contacts with microwaves. Two characteristic dynamic effects are…

Materials Science · Physics 2009-11-13 O. P. Balkashin , V. V. Fisun , I. K. Yanson , L. Yu. Triputen , A. Konovalenko , V. Korenivski

It has recently been recognized that the strong spin-orbit interaction present in solids can lead to new phenomena, such as materials with non-trivial topological order. Although the atomic spin-orbit coupling in carbon is weak, the…

Mesoscale and Nanoscale Physics · Physics 2013-04-12 G. A. Steele , F. Pei , E. A. Laird , J. M. Jol , H. B. Meerwaldt , L. P. Kouwenhoven

We consider relaxation of an electron spin in a nanotube quantum dot due to its coupling to flexural phonon modes, and identify a new spin-orbit mediated coupling between the nanotube deflection and the electron spin. This mechanism…

Mesoscale and Nanoscale Physics · Physics 2015-03-13 Mark S. Rudner , Emmanuel I. Rashba

For graphene nanoribbons with Rashba spin-orbit coupling, the peculiar magnetic response due to the presence of a magnetization and geometric confinement are analyzed within a tight-binding model. We observe a sizable transverse…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 Matheus S. M. de Sousa , Manfred Sigrist , Wei Chen

Motion of electrons can influence their spins through a fundamental effect called spin-orbit interaction. This interaction provides a way to electrically control spins and as such lies at the foundation of spintronics. Even at the level of…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 S. Nadj-Perge , S. M. Frolov , E. P. A. M. Bakkers , L. P. Kouwenhoven

As any physical object, light undergoing a circular trajectory features a constant extrinsic angular momentum. Within strong curvatures, this angular momentum can match the spin momentum of a photon, thus providing the opportunity of a…

Optics · Physics 2018-02-14 Y. Lefier , R. Salut , M. A. Suarez , T. Grosjean

Spin torque and spin Hall effect nanooscillators generate high intensity spin wave auto oscillations on the nanoscale enabling novel microwave applications in spintronics, magnonics, and neuromorphic computing. For their operation, these…

Mesoscale and Nanoscale Physics · Physics 2019-06-19 M. Haidar , A. A. Awad , M. Dvornik , R. Khymyn , A. Houshang , J. Akerman

In magnetic materials, skyrmions are nanoscale regions where the orientation of electron spin changes in a vortex-type manner. Here we show that spin-orbit coupling in a focused vector beam results in a skyrmion-like photonic spin…

Optics · Physics 2019-07-24 Luping Du , Aiping Yang , Anatoly V. Zayats , Xiaocong Yuan

The coupling of the spin of electrons to their motional state lies at the heart of recently discovered topological phases of matter. Here we create and detect spin-orbit coupling in an atomic Fermi gas, a highly controllable form of quantum…

We propose a spin-orbit qubit in a nanowire quantum dot on the surface of a multiferroic insulator with a cycloidal spiral magnetic order. The spiral exchange field from the multiferroic insulator causes an inhomogeneous Zeeman-like…

Mesoscale and Nanoscale Physics · Physics 2014-08-04 P. Zhang , Ze-Liang Xiang , Franco Nori

We demonstrate tunable spin-spin couplings between trapped atomic ions, mediated by laser forces on multiple transverse collective modes of motion. A $\sigma_x \sigma_x$-type Ising interaction is realized between quantum bits stored in the…

Quantum Physics · Physics 2015-05-13 K. Kim , M. -S. Chang , R. Islam , S. Korenblit , L. -M. Duan , C. Monroe

Spin-orbit coupling in magnetic systems lacking inversion symmetry can give rise to non trivial spin textures. Magnetic thin films and heterostructures are potential candidates for the formation of skyrmions and other non-collinear spin…

Strongly Correlated Electrons · Physics 2018-10-29 S. Valencia , M. J. Calderón , L. López-Mir , Z. Kostantinovic , E. Schierle , E. Weschke , L. Brey , B. Martínez , Ll. Balcells

Trapped atomic ion qubits or effective spins are a powerful quantum platform for quantum computation and simulation, featuring densely connected and efficiently programmable interactions between the spins. While native interactions between…

Quantum Physics · Physics 2023-08-01 Or Katz , Marko Cetina , Christopher Monroe

The photon spin is an important resource for quantum information processing as is the electron spin in spintronics. However, for subwavelength confined optical excitations, polarization as a global property of a mode cannot be defined.…

Optics · Physics 2018-12-11 Enno Krauss , Gary Razinskas , Dominik Köck , Swen Grossmann , Bert Hecht

Hybrid magnonics involving coupling between magnons and different quantum particles have been extensively studied during past few years for varied interests including quantum electrodynamics. In such systems, magnons in magnetic materials…

Mesoscale and Nanoscale Physics · Physics 2023-01-30 Sudip Majumder1 , Samiran Choudhury1 , Saswati Barman2 , Yoshichika Otani3 , 4 , Anjan Barman1

We elaborate on a number of issues concerning our recent proposal for spin-qubit manipulation in nanowires using the spin-orbit coupling. We discuss the experimental status and describe in further detail the scheme for single-qubit…

Mesoscale and Nanoscale Physics · Physics 2007-06-14 Christian Flindt , Anders S. Sorensen , Karsten Flensberg

We describe how to prepare an electrically levitated nanodiamond in a superposition of orientations via microwave driving of a single embedded nitrogen-vacancy (NV) center. Suitably aligning the magnetic field with the NV center can serve…

On-chip manipulating and controlling the temporal and spatial evolution of light is of crucial importance for information processing in future planar integrated nanophotonics. The spin and orbital angular momentum of light, which can be…