English
Related papers

Related papers: Spin-orbit interactions in inversion-asymmetric 2D…

200 papers

The effect of Rashba spin-orbit (SO) interaction on the hole states in a quantum dot is studied in the presence of an external magnetic field. We demonstrate here that the Rashba SO coupling has a profound effect on the energy spectrum of…

Mesoscale and Nanoscale Physics · Physics 2009-10-27 Aram Manaselyan , Tapash Chakraborty

Magnetic focussing of charge carriers in two-dimensional systems provides a solid state version of a mass spectrometer. In the presence of a spin-orbit interaction, the first focussing peak splits into two spin dependent peaks, allowing…

Mesoscale and Nanoscale Physics · Physics 2022-06-29 M. J. Rendell , S. D. Liles , A. Srinivasan , O. Klochan , I. Farrer , D. A. Ritchie , A. R. Hamilton

In this work we theoretically investigate transverse magnetic focussing in two dimensional electron and hole gasses with strong spin orbit interactions. We present a general result for spin orbit interaction with singular winding numbers in…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Samuel Bladwell , Oleg Sushkov

A detailed theory of a phase diagram of a 2D surface superconductor in a parallel magnetic field is presented. A spin-orbital interaction of the Rashba type is known to produce at a high magnetic field $h$ (and in the absence of impurities)…

Superconductivity · Physics 2009-11-13 Ol'ga Dimitrova , M. V. Feigel'man

Spin--orbit interaction (SOI) plays a fundamental role in many low-dimensional semiconductor and hybrid quantum devices. In the rapidly evolving field of semiconductor spin qubits, SOI is an essential ingredient that can allow for ultrafast…

Mesoscale and Nanoscale Physics · Physics 2023-12-22 Jørgen Holme Qvist , Jeroen Danon

We study the quantum interference effects induced by the Aharonov-Casher phase in asymmetrically confined two-dimensional electron and heavy-hole ring structures systems taking into account the electrically tunable spin-orbit (SO)…

Mesoscale and Nanoscale Physics · Physics 2012-04-17 M. F. Borunda , Xin Liu , Alexey A. Kovalev , Xiong-Jun Liu , T. Jungwirth , Jairo Sinova

Using group theory and Kane-like $\mathbf{k\cdot p}$ model together with the L\"owdining partition method, we derive the expressions of spin-orbit coupling of electrons and holes, including the linear-$k$ Rashba term due to the intrinsic…

Materials Science · Physics 2008-11-13 J. Y. Fu , M. W. Wu

Spin-orbit coupling (SOC) leads to splitting of otherwise spin-degenerate bands in noncentrosymmetric materials, even if time-reversal symmetry is present. While this gives rise to well-known phenomena such as the Rashba and Dresselhaus…

Materials Science · Physics 2026-02-16 Fan Yang , Rafael M. Fernandes , Turan Birol

We derive boundary conditions for the coupled spin-charge diffusion equations at a transmitting interface between two-dimensional electron systems with different strengths of the Rashba spin-orbit (SO) coupling $\alpha$, and an electric…

Materials Science · Physics 2009-11-11 Yaroslav Tserkovnyak , Bertrand I. Halperin , Alexey A. Kovalev , Arne Brataas

Adding a Rashba term to the Hubbard Hamiltonian produces a model which can be used to learn how spin-orbit interactions impact correlated electrons on a lattice. Previous works have studied such a model using a variety of theoretical…

Strongly Correlated Electrons · Physics 2023-09-04 Erik Wegner Hodt , Jabir Ali Ouassou , Jacob Linder

Interacting one-dimensional conductors with Rashba spin-orbit coupling are shown to exhibit a spin-selective Peierls-type transition into a mixed spin-charge-density-wave state. The transition leads to a gap for one-half of the conducting…

Mesoscale and Nanoscale Physics · Physics 2010-08-03 Bernd Braunecker , George I. Japaridze , Jelena Klinovaja , Daniel Loss

Planar systems with a general linear spin-orbit interaction (SOI) that can be cast in the form of a non-Abelian pure gauge field are investigated using the language of non-Abelian gauge field theory. A special class of these fields that,…

High Energy Physics - Theory · Physics 2021-02-02 M. S. Shikakhwa

By means the envelope function approximation, 8-band Kane model and a finite-difference scheme with the coordinate space discretization, we numerically performed calculations of the spin-orbit coupling parameters for 2D electron gas…

Mesoscale and Nanoscale Physics · Physics 2021-04-01 Vladimir Degtyarev , Sofia Khazanova , Anton Konakov , Yury Danilov

Relating the band structure of correlated semimetals to their transport properties is a complex and often open issue. The partial occupation of numerous electron and hole bands can result in properties that are seemingly in contrast with…

Recently experiments have shown very significant spin activity in biological molecules such as DNA, proteins, oligopeptides and aminoacids. Such molecules have in common their chiral structure, time reversal symmetry and the absence of…

Mesoscale and Nanoscale Physics · Physics 2020-07-29 Juan Daniel Torres , Raul Hidalgo , Solmar Varela , Ernesto Medina

Weyl semimetals, featuring massless linearly dispersing chiral fermions in three dimensions, provide an excellent platform for studying the interplay of electronic interactions and topology, and exploring new correlated states of matter.…

Strongly Correlated Electrons · Physics 2021-03-03 Sarbajaya Kundu , David Sénéchal

In the absence of an external field, the Rashba spin-orbit interaction (SOI) in a two-dimensional electron gas in a semiconductor quantum well arises entirely from the screened electrostatic potential of ionized donors. We adjust the wave…

Mesoscale and Nanoscale Physics · Physics 2010-06-09 Oleg Chalaev , G. Vignale

Spin-orbit (SO) interactions give a spin-dependent correction r_so to the position operator, referred to as the anomalous position operator. We study the contributions of r_so to the spin-Hall effect (SHE) in quasi two-dimensional (2D)…

Mesoscale and Nanoscale Physics · Physics 2013-07-31 Xintao Bi , Peiru He , E. M. Hankiewicz , R. Winkler , Giovanni Vignale , Dimitrie Culcer

Sr$_{2}$IrO$_{4}$ has often been described via a simple, one-band pseudo-spin 1/2 model, subject to electron-electron interactions, on a square lattice, fostering analogies with cuprate superconductors, believed to be well described by a…

Larmor's theorem holds for magnetic systems that are invariant under spin rotation. In the presence of spin-orbit coupling this invariance is lost and Larmor's theorem is broken: for systems of interacting electrons, this gives rise to a…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Shahrzad Karimi , Florent Baboux , Florent Perez , Carsten A. Ullrich , Grzegorz Karczewski , Tomasz Wojtowicz