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In order to model the phase-coherent scattering of electrons in two-dimensional electron gases in the presence of Rashba spin-orbit coupling, a general partial-wave expansion is developed for scattering from a cylindrically symmetric…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Jamie D. Walls , Jian Huang , Robert M. Westervelt , Eric J. Heller

We present the calculation of the density matrix response function of the two-dimensional electron gas with Rashba spin-orbit interaction, which is applicable in a wide range of parameters covering the diffusive and non-diffusive, the dirty…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. Pletyukhov

We explore the trap profiles of a two-dimensional atomic Fermi gas in the presence of a Rashba spin-orbit coupling and under an adiabatic rotation. We first consider a non-interacting gas and show that the competition between the effects of…

Quantum Gases · Physics 2017-01-04 E. Doko , A. L. Subasi , M. Iskin

The interplay of electron-electron interactions and spin-orbit coupling leads to a new contribution to the homogeneous optical conductivity of the electron liquid. The latter is known to be insensitive to many-body effects for a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Abdel-Khalek Farid , Eugene Mishchenko

Modifications of spin-splitting dispersion relations and density of states for electrons in non-symmetric heterostructures under in-plane magnetic field are studied within the envelope function formalism. Spin-orbit interactions, caused by…

Materials Science · Physics 2009-11-11 A. Hernandez-Cabrera , P. Aceituno , F. T. Vasko

We theoretically investigate a two-dimensional harmonically-trapped gas of identical atoms with Rashba spin-orbit coupling and no interatomic interactions. In analogy with the spin Hall effect in uniform space, the gas exhibits a spin Hall…

Quantum Gases · Physics 2017-11-28 J. Armaitis , J. Ruseckas , H. T. C. Stoof , R. A. Duine

Spin-orbit interaction in semiconductor structures with broken space inversion symmetry leads to spin splitting of electron and hole states even in the absence of magnetic field. We discover that, beyond the Rashba and Dresselhaus…

Mesoscale and Nanoscale Physics · Physics 2022-04-20 G. V. Budkin , S. A. Tarasenko

We have studied the spin-orbit interaction in a high mobility two-dimensional electron gas in a GaInAs/InP heterostructure as a function of an applied gate voltage as well as a function of temperature. Highly sensitive magnetotransport…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Vitaliy A. Guzenko , Thomas Schäpers , Hilde Hardtdegen

We present a study of the inelastic decay rate of quasiparticles in a two-dimensional electron gas with spin-orbit interaction. The study is done within the G0W0 approximation. The spin-orbit interaction is taken in the most general form…

Other Condensed Matter · Physics 2015-05-14 I. A. Nechaev , P. M. Echenique , E. V. Chulkov

The two-dimensional Rashba-Hubbard model is investigated in order to clarify the electron correlation effects in non-centrosymmetric metals. The renormalization effect on Rashba spin-orbit coupling (RSOC) is calculated on the basis of…

Strongly Correlated Electrons · Physics 2015-06-12 Daisuke Maruyama , Youichi Yanase

Using spin and angle-resolved photoemission spectroscopy we investigate a momentum region in Pb quantum well states on Si(111) where hybridization between Rashba-split bands alters the band structure significantly. Starting from the Rashba…

Materials Science · Physics 2014-03-24 Bartosz Slomski , Gabriel Landolt , Stefan Muff , Fabian Meier , Jürg Osterwalder , J. Hugo Dil

We explore the bound electron pairs (BEPs) arising due to the pair spin-orbit interaction (PSOI) in two-dimensional structures with a gate that can allow the BEPs to be manipulated. The gate breaks the in-plane reflection symmetry of the…

Strongly Correlated Electrons · Physics 2020-02-12 Yasha Gindikin , Vitalina Vigdorchik , Vladimir A. Sablikov

We analyze the effective electron-electron interaction in a two dimensional polarized paramagnetic system. The spin degree of freedom, s, is manifestly present in the expressions of spin dependent local field factors that describe the short…

Strongly Correlated Electrons · Physics 2007-05-23 Juana Moreno , D. C. Marinescu

We report the experimental observation of the spin-Hall effect in a two-dimensional (2D) hole system with Rashba spin-orbit coupling. The 2D hole layer is a part of a p-n junction light-emitting diode with a specially designed co-planar…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Joerg Wunderlich , Bernd Kaestner , Jairo Sinova , Tomas Jungwirth

A possibility of controlled manipulation of electron spin states has been investigated for a cylindrical two-dimensional electron gas confined in a semiconductor nanotube/cylindrical nanowire with the Rashba spin-orbit interaction. We…

Mesoscale and Nanoscale Physics · Physics 2014-04-03 P. Wójcik , J. Adamowski , M. Wołoszyn , B. J. Spisak

We study the spin polarization of mixed and entangled electron states in a four probe/beam splitter geometry with local Rashba and Dresselhaus interactions. A pair of maximally entangled electrons collides with the beam splitter and enters…

Quantum Physics · Physics 2012-12-04 Luis A. González-Árraga , Bertrand Berche , Ernesto Medina

We study a two-dimensional electron system in the presence of both Rashba and Dresselhaus spin-orbit interactions in a perpendicular magnetic field. Defining two suitable boson operators and using the unitary transformations we are able to…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Degang Zhang

The spin-orbit splitting of the electron levels in a two-dimensional quantum dot in a perpendicular magnetic field is studied. It is shown that at the point of an accidental degeneracy of the two lowest levels above the ground state the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Denis V. Bulaev , Daniel Loss

By using a Coulomb potential modified by the interaction between the magnetic moments of the electron and proton, we have calculated the energy levels of a hydrogen atom. We have obtained fine structure, hyperfine structure and the Lamb…

General Physics · Physics 2015-10-20 Voicu Dolocan

We consider density functionals for exchange and correlation energies in two-dimensional systems. The functionals are constructed by making use of exact constraints for the angular averages of the corresponding exchange and correlation…

Strongly Correlated Electrons · Physics 2010-02-25 E. Rasanen , S. Pittalis