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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

We investigate the effects of Rashba spin-orbit interactions on the electronic band-structure and corresponding wave-functions of graphene. By exactly solving a tight-binding model Hamiltonian we obtain the expected splitting of the bands…

Mesoscale and Nanoscale Physics · Physics 2009-05-08 Mahdi Zarea , Nancy Sandler

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

Precise numerical calculation of radiofrequency intervals between hyperfine sublevels of the $(37,35)$ state of the antiprotonic helium-4 atom is presented. Theoretical consideration includes the QED corrections of order $m\alpha^6$ to the…

Atomic Physics · Physics 2014-02-11 Vladimir I. Korobov , Zhen-Xiang Zhong

The drift-diffusion formalism for spin-polarized carrier transport in semiconductors is generalized to include spin-orbit coupling. The theory is applied to treat the extrinsic spin Hall effect using realistic boundary conditions. It is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Wang-Kong Tse , J. Fabian , I. Zutic , S. Das Sarma

Spin-charge interconversion is currently the focus of intensive experimental and theoretical research both for its intrinsic interest and for its potential exploitation in the realization of new spintronic functionalities. Spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2017-04-04 Amin Maleki , Roberto Raimondi

In semiconductors, spin-orbit effective magnetic fields, i.e., the Rashba and Dresselhaus fields, are used to control electron-spin polarization. This operation, however, destroys the electron-spin coherence, and the spin polarization is…

Mesoscale and Nanoscale Physics · Physics 2012-08-24 Takuma Tsuchiya

Spin-orbit interaction is investigated in a dual gated InAs/GaSb quantum well. Using an electric field the quantum well can be tuned between a single carrier regime with exclusively electrons as carriers and a two-carriers regime where…

We present an in-depth study of the spin-orbit (SO) interactions occurring in inversion-asymmetric two-dimensional hole gases at semiconductor heterointerfaces. We focus on common semiconductors such as GaAs, InAs, InSb, Ge, and Si. We…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 E. Marcellina , A. R. Hamilton , R. Winkler , Dimitrie Culcer

We present Maxwell equations with source terms for the electromagnetic field interacting with a moving electron in a spin-orbit coupled semiconductor heterostructure. We start with the eight--band ${\bm k}{\bm p}$ model and derive the…

Materials Science · Physics 2009-11-13 A. V. Rodina , A. Yu. Alekseev

Spin-orbit interaction accounts for the coupling of momentum and spin degrees of freedom of electrons and holes in semiconductor materials. In quantum information processing, it allows for electrical control of spin states and for the…

Mesoscale and Nanoscale Physics · Physics 2025-05-12 M. P. Hynes , D. Burke , K. Ganesh , A. Vekris , B. J. Villis , J. C. Gartside , T. Kanne , J. Nygård , K. Moors , W. R. Branford , M. R. Connolly , M. R. Buitelaar

Spin-orbit interaction in quantum wires leads to a spin resonance at low temperatures, even in the absence of an external dc magnetic field. We study the effect of electron-electron interaction on the resonance. This interaction is strong…

Strongly Correlated Electrons · Physics 2013-10-03 Oleg A. Tretiakov , K. S. Tikhonov , V. L. Pokrovsky

The intraorbital repulsive Hubbard interaction cannot lead to attractive superconducting pairing states, except through the Kohn-Luttinger mechanism. This situation may change when we include additional local interactions such as the…

Superconductivity · Physics 2019-02-06 Alfred K. C. Cheung , D. F. Agterberg

We calculate the static longitudinal polarizability of single-wall carbon nanotubes in the long wavelength limit taking into account spin-orbit effects. We use a four-orbital orthogonal tight-binding formalism to describe the electronic…

Mesoscale and Nanoscale Physics · Physics 2014-07-14 Ginetom S. Diniz , Sergio E. Ulloa

We calculate the quantum correction to the classical conductance of a disordered mesoscopic normal-superconducting (NS) junction in which the electron spatial and spin degrees of freedom are coupled by an appreciable spin orbit interaction.…

Condensed Matter · Physics 2009-10-28 Keith Slevin , Jean-Louis Pichard , P. A. Mello

The generation of spin and orbital currents is of crucial importance in the field of spin-orbitronics. In this work, using relativistic density functional theory and the Kubo linear-response formalism, we systematically investigate the spin…

Materials Science · Physics 2022-04-01 Leandro Salemi , Peter M. Oppeneer

We study the two-impurity Kondo model (TIKM) in two dimensions with spin-orbit coupled conduction electrons. In the first part of the paper we analyze how spin-orbit interactions of Rashba as well as Dresselhaus type influence the Kondo and…

Mesoscale and Nanoscale Physics · Physics 2009-10-02 David F. Mross , Henrik Johannesson

The effects of carrier-impurity correlations due to a Kondo-like spin-spin interaction in diluted magnetic semiconductors are investigated. These correlations are not only responsible for a transfer of spins between the carriers and the…

Mesoscale and Nanoscale Physics · Physics 2016-02-03 Moritz Cygorek , Pablo Ignacio Tamborenea , Vollrath Martin Axt

Motivated by a recent experiment[Nature {\bf 442}, 176 (2006)], we present a quantitative microscopic theory to investigate the inverse spin-Hall effect with spin injection into aluminum considering both intrinsic and extrinsic spin-orbit…

Materials Science · Physics 2009-11-11 S. Y. Liu , Norman J. M. Horing , X. L. Lei

Orbital and spin ordering phenomena in strongly correlated systems are commonly studied using the local-density approximation + dynamical mean-field theory approach. Typically, however, such simulations are restricted to simplified models…

Strongly Correlated Electrons · Physics 2014-04-28 Andreas Flesch , Evgeny Gorelov , Erik Koch , Eva Pavarini