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We theoretically study the spin-orbit interaction in the outer regions of core-shell nanowires that can act as tubular, prismatic conductors. The polygonal cross section of these wires induces non-uniform electron localization along the…

Mesoscale and Nanoscale Physics · Physics 2025-10-17 Anna Sitek , Sigurdur I. Erlingsson , Andrei Manolescu

We show that when an electron or photon propagates in a cylindrically symmetric waveguide, its spin angular momentum (SAM) and its orbital angular momentum (OAM) interact. Remarkably, we find that the dynamics resulting from this spin-orbit…

Quantum Physics · Physics 2009-12-09 C. C. Leary , M. G. Raymer , S. J. van Enk

The spin currents generated by spin-orbit coupling (SOC) in the nonmagnetic metal layer or at the interface with broken inversion symmetry are of particular interest and importance. Here, we have explored the spin current generation…

Materials Science · Physics 2020-03-02 Q. B. Liu , K. K. Meng , S. Q. Zheng , Y. C. Wu , J. Miao , X. G. Xu , Y. Jiang

We show that in magnetic nanostructures with a homogeneous magnetic order, the equilibrium spin current can be nonzero. For example, this is the case of a wide magnetic ring with the magnetization along the ring axis. The physical reason of…

Materials Science · Physics 2009-11-13 Vitalii K. Dugaev , Patrick Bruno

We present an {\it ab initio}-based theoretical framework which elucidates the origin of the spin-orbit torque (SOT) in Normal-Metal(NM)/Ferromagnet(FM) heterostructures. The SOT is decomposed into two contributions, namely, {\it spin-Hall}…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Farzad Mahfouzi , Rahul Mishra , Po-Hao Chang , Hyunsoo Yang , Nicholas Kioussis

Intrinsic spin currents are encountered in noncentrosymmetric crystals without any external electric fields; these currents are caused by spin-orbit interaction. In this paper, various theoretical aspects of this phenomenon in bulk…

Materials Science · Physics 2024-11-11 Ilja Turek

Spin and angular momenta of light are important degrees of freedom in nanophotonics which control light propagation, optical forces and information encoding. Typically, optical angular momentum is generated using q-plates or spatial light…

Optics · Physics 2020-02-28 Alessandro Ciattoni , Claudio Conti , Anatoly Zayats , Andrea Marini

Nanorings asymmetrically connected to wires show different kinds of quantum interference phenomena under sudden excitations and in steady current conditions. Here we contrast the transient current caused by an abrupt bias to the magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Michele Cini , Enrico Perfetto , Chiara Ciccarelli , Gianluca Stefanucci , Stefano Bellucci

The interaction between spherical magnetic nanoparticles is investigated from micromagnetic simulations and ananlysed in terms of the leading dipolar interaction energy between magnetic dipoles. We focus mainly on the case where the…

Materials Science · Physics 2009-04-14 V. Russier

We present a general semiclassical theory of the orbital magnetic response of noninteracting electrons confined in two-dimensional potentials. We calculate the magnetic susceptibility of singly-connected and the persistent currents of…

Condensed Matter · Physics 2016-08-31 K. Richter , D. Ullmo , R. A. Jalabert

We investigate the combined effect of spin-orbit scattering and electron-electron interactions on the probability distribution of $g$-factors of metal nanoparticles. Using random matrix theory, we find that even a relatively small…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Denis A. Gorokhov , Piet W. Brouwer

The structural inversion asymmetry-induced spin-orbit interaction of conduction band electrons in zinc-blende and wurtzite semiconductor structures is analysed allowing for a three-dimensional (3D) character of the external electric field…

Materials Science · Physics 2010-12-30 Eduard Takhtamirov , Roderick V. N. Melnik

Scattering of electrons from chiral spin textures such as the skyrmions is an emerging research area due to its richness in topological quantum transport, which is significant for spintronic devices. We study the dynamical process of…

Mesoscale and Nanoscale Physics · Physics 2026-03-03 Hareram Swain , Arijit Mandal , S. Satpathy , B. R. K. Nanda

Spin transfer - the transfer of angular momentum from spin-polarized electrical current to magnetic materials - has been extensively researched as an efficient mechanism for the electronic manipulation of the static and dynamic states in…

Materials Science · Physics 2017-12-27 Andrei Zholud , Ryan Freeman , Rongxing Cao , Ajit Srivastava , Sergei Urazhdin

This article reviews steady-state spin densities and spin currents in materials with strong spin-orbit interactions. These phenomena are intimately related to spin precession due to spin-orbit coupling which has no equivalent in the steady…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Dimitrie Culcer

Energy spectra and transport properties of armchair nanotubes with curvature induced spin-orbit interaction are investigated thoroughly. The spin-orbit interaction consists of two terms: the first one preserves the spin symmetry in rotating…

Mesoscale and Nanoscale Physics · Physics 2014-06-03 K. N. Pichugin , M. Pudlak , R. G. Nazmitdinov

When focusing on a few essential bands in an effective description of a material to calculate observable quantities, the respective operators have to be adjusted accordingly. Ignoring contributions arising from integrating out remote bands…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 K. V. Samokhin , M. Sigrist , M. H. Fischer

Spin-orbit coupling in semiconductors relates the spin of an electron to its momentum and provides a pathway for electrically initializing and manipulating electron spins for applications in spintronics and spin-based quantum information…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 V. Sih , R. C. Myers , Y. K. Kato , W. H. Lau , A. C. Gossard , D. D. Awschalom

Electronic structure calculations were carried out on the compound GdBaCo$_2$O$_{5.5}$. The electronic structure variation with a change in the spin state of the Co$^{3+}$ ion in an octahedral environment has been studied. All the…

Strongly Correlated Electrons · Physics 2009-11-11 V. Pardo , D. Baldomir

We calculate the Overhauser frequency shifts in semiconductor nanostructures resulting from the hyperfine interaction between nonequilibrium electronic spins and nuclear spins. The frequency shifts depend on the electronic local density of…

Materials Science · Physics 2008-07-08 I. Tifrea , M. Poggio , D. D. Awschalom , M. E. Flatté