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We develop a theory of thermal fluctuations of spin density emerging in a two-dimensional electron gas. The spin fluctuations probed at spatially separated spots of the sample are correlated due to Brownian motion of electrons and spin-obit…

Mesoscale and Nanoscale Physics · Physics 2015-08-05 A. V. Poshakinskiy , S. A. Tarasenko

A graphene $pn$ junction is studied theoretically in the presence of both intrinsic and Rashba spin-orbit couplings. We show that a crossover from perfect reflection to perfect transmission is achieved at normal incidence by tuning the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. Yamakage , K. -I. Imura , J. Cayssol , Y. Kuramoto

Spin-orbit coupling (SOC) can provide essential tools to manipulate electron spins in two-dimensional materials like graphene, which is of great interest for both fundamental physics and spintronics application. In this paper, we report the…

Mesoscale and Nanoscale Physics · Physics 2021-10-12 Shimin Cao , Chuanwu Cao , Shibing Tian , Jian-Hao Chen

A theory for spin and lattice couplings to the electronic states in high-T$_C$ oxides is presented, with HgBa$_2$CuO$_4$ as an example. A simple analytical model suggests that the barrel band is sensitive to potential perturbations with…

Superconductivity · Physics 2007-05-23 T. Jarlborg

Since its discovery, graphene has been a promising material for spintronics: its low spin-orbit coupling, negligible hyperfine interaction, and high electron mobility are obvious advantages for transporting spin information over long…

Mesoscale and Nanoscale Physics · Physics 2018-12-04 Jose H. Garcia , Marc Vila , Aron W. Cummings , Stephan Roche

In this review, we discuss the physics of spin-orbit coupled quantum gases in optical lattices. After reviewing some relevant experimental techniques, we introduce the basic theoretical model and discuss some of its generic features. In…

Quantum Gases · Physics 2015-09-02 Shizhong Zhang , William S. Cole , Arun Paramekanti , Nandini Trivedi

We investigate, using first-principles methods and effective-model simulations, the spin-orbit coupling proximity effects in a bilayer heterostructure comprising phosphorene and WSe$_2$ monolayers. We specifically analyze holes in…

Mesoscale and Nanoscale Physics · Physics 2023-09-26 Marko Milivojević , Martin Gmitra , Marcin Kurpas , Ivan Štich , Jaroslav Fabian

Electrons in atoms possess both spin and orbital degrees of freedom. In non-relativistic quantum mechanics, these are independent, resulting in large degeneracies in atomic spectra. However, relativistic effects couple the spin and orbital…

Mesoscale and Nanoscale Physics · Physics 2008-04-07 F. Kuemmeth , S. Ilani , D. C. Ralph , P. L. McEuen

Modeling spin-wave (magnon) dynamics in novel materials is important to advance spintronics and spin-based quantum technologies. The interactions between magnons and lattice vibrations (phonons) limit the length scale for magnon transport.…

We calculate the spin relaxation rates in a parabolic InSb quantum dots due to the spin interaction with acoustical phonons. We considered the deformation potential mechanism as the dominant electron-phonon coupling in the Pavlov-Firsov…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 C. L. Romano , G. E. Marques , L. Sanz , A. M. Alcalde

We review the theoretical description of spin-orbit scattering and electron spin resonance in carbon nanotubes. Particular emphasis is laid on the effects of electron-electron interactions. The spin-orbit coupling is derived, and the…

Strongly Correlated Electrons · Physics 2012-09-27 A. De Martino , R. Egger , F. Murphy-Armando , K. Hallberg

Spin-orbit interactions lead to small energy gaps between the outer-most $p_{1/2}$ and $p_{3/2}$ shells of noble gas atoms. Strong-field pulses tunnel-ionize an electron out of either shell resulting in spin-orbit-driven hole motion. These…

Atomic Physics · Physics 2014-06-12 Stefan Pabst , Robin Santra

We show that periodically folded graphene sheets with enhanced spin-orbit interaction due to curvature effects can carry spin polarized currents and have gaps in the electronic spectrum in the presence of weak magnetic fields. Our results…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 A. T. Costa , M. S. Ferreira , Toby Hallam , Georg S. Duesberg , A. H. Castro Neto

We estimate the spin relaxation rate due to spin-orbit coupling and acoustic phonon scattering in weakly-confined quantum dots with up to five interacting electrons. The Full Configuration Interaction approach is used to account for the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Juan I. Climente , Andrea Bertoni , Guido Goldoni , Massimo Rontani , Elisa Molinari

We study orbital and spin-orbit proximity effects in graphene adsorbed to the Cu(111) surface by means of density functional theory (DFT). The proximity effects are caused mainly by the hybridization of graphene $\pi$ and copper d orbitals.…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 Tobias Frank , Martin Gmitra , Jaroslav Fabian

We study theoretically the properties of buckled graphene-like materials, such as silicene and germanene, in a strong perpendicular magnetic field and a periodic potential. We analyze how the spin-orbit interaction and the perpendicular…

Mesoscale and Nanoscale Physics · Physics 2015-04-09 Vadym M. Apalkov , Tapash Chakraborty

We study the effect of impurities in inducing spin-orbit coupling in graphene. We show that the sp3 distortion induced by an impurity can lead to a large increase in the spin-orbit coupling with a value comparable to the one found in…

Materials Science · Physics 2013-05-29 A. H. Castro Neto , F. Guinea

Recent experiments indicate that crystalline graphene multilayers exhibit much of the richness of their twisted counterparts, including cascades of symmetry-broken states and unconventional superconductivity. Interfacing Bernal bilayer…

Strongly Correlated Electrons · Physics 2025-09-16 Jin Ming Koh , Jason Alicea , Étienne Lantagne-Hurtubise

We study the effects of spin orbit interactions on the low energy electronic structure of a single plane of graphene. We find that in an experimentally accessible low temperature regime the symmetry allowed spin orbit potential converts…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 C. L. Kane , E. J. Mele

We consider the mechanical motion of a system of six macroscopic pendula which are connected with springs and arranged in a hexagonal geometry. When the springs are pre-tensioned, the coupling between neighbouring pendula along the…

Mesoscale and Nanoscale Physics · Physics 2017-05-25 Grazia Salerno , Alice Berardo , Tomoki Ozawa , Hannah M. Price , Ludovic Taxis , Nicola M. Pugno , Iacopo Carusotto
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