English
Related papers

Related papers: Spin-orbit coupling in bulk GaAs

200 papers

Two-level quantum systems with strong spin-orbit coupling allow for all-electrical qubit control and long-distance qubit coupling via microwave and phonon cavities, making them of particular interest for scalable quantum information…

Mesoscale and Nanoscale Physics · Physics 2019-01-11 J. van der Heijden , T. Kobayashi , M. G. House , J. Salfi , S. Barraud , R. Lavieville , M. Y. Simmons , S. Rogge

We device and investigate numerically a minimal yet detailed spin polaron model that describes lightly doped CuO$_2$ layers. The low-energy physics of a hole is studied by total-spin-resolved exact diagonalization on clusters of up to 32…

Strongly Correlated Electrons · Physics 2015-03-17 Bayo Lau , Mona Berciu , George A. Sawatzky

We show that the bulk Dresselhauss ($k^3$) spin-orbit coupling term leads to an intrinsic spin-Hall effect in n-doped bulk GaAs, but without the appearance of uniform magnetization. The spin-Hall effect in strained and unstrained bulk GaAs…

Materials Science · Physics 2007-05-23 B. Andrei Bernevig , Shou-Cheng Zhang

We construct the symmetry adapted low energy effective Hamiltonian for the electronic states in the vicinity of the Fermi level in iron based superconductors. We use Luttinger's method of invariants, expanding about Gamma and M points in…

Strongly Correlated Electrons · Physics 2013-10-16 Vladimir Cvetkovic , Oskar Vafek

We study effects of the oft-neglected cubic Dresselhaus spin-orbit coupling (i.e., $\propto p^3$) in GaAs/AlGaAs quantum dots. Using a semiclassical billiard model, we estimate the magnitude of the spin-orbit induced avoided crossings in a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jacob J. Krich , Bertrand I. Halperin

The effect of spin-orbit interaction was studied in a high-quality $p$-AlGaAs/GaAs/AlGaAs structure with a square quantum well using acoustic methods. The structure grown on a GaAs (100) substrate was symmetrically doped with carbon on both…

Mesoscale and Nanoscale Physics · Physics 2021-10-15 I. L. Drichko , I. Yu. Smirnov , A. V. Suslov , K. W. Baldwin , L. N. Pfeiffer , K. W. West

In our Solar system, spin-orbit coupling is a common phenomenon in binary asteroid systems, where the mutual orbits are no longer invariant due to exchange of angular momentum between translation and rotation. In this work, dynamical…

Earth and Planetary Astrophysics · Physics 2024-07-31 Hanlun Lei

The question of gauge-covariance in the non-Abelian gauge-field formulation of two space-dimensional systems with spin-orbit coupling relevant to spintronics is investigated. Although, these are generally gauge-fixed models, it is found…

Mesoscale and Nanoscale Physics · Physics 2016-01-27 M. S. Shikakhwa , S. Turgut , N. K. pak

We study the electronic and spin structures of the giant Rashba-split surface states of the Bi/Si(111)-($\sqrt{3} \times \sqrt{3}$)R30 trimer phase by means of spin- and angle-resolved photoelectron spectroscopy (spin-ARPES). Supported by…

Strongly Correlated Electrons · Physics 2018-04-04 M. H. Berntsen , O. Götberg , O. Tjernberg

We investigate theoretically the phase diagram of a spin-orbit coupled Bose gas in two-dimensional harmonic traps. We show that discrete Landau levels develop at strong spin-orbit coupling. For a weakly interacting gas, quantum states with…

Quantum Gases · Physics 2012-02-24 Hui Hu , B. Ramachandhran , Han Pu , Xia-Ji Liu

Spin-orbit coupling is studied using the quantum interference corrections to conductance in AlGaN/AlN/GaN two-dimensional electron systems where the carrier density is controlled by the persistent photoconductivity effect. All the samples…

Materials Science · Physics 2009-11-11 C. Kurdak , N. Biyikli , U. Ozgur , H. Morkoc , V. I. Litvinov

We study the spin resonance peak in recently discovered iron-based superconductors. The resonance peak observed in inelastic neutron scattering experiments agrees well with predicted results for the extended $s$-wave ($s_\pm$) gap symmetry.…

Superconductivity · Physics 2016-08-09 M. M. Korshunov , Yu. N. Togushova , I. Eremin , P. J. Hirschfeld

The spin diffusion/transport in $n$-type (001) GaAs quantum well at high temperatures ($\ge120$ K) is studied by setting up and numerically solving the kinetic spin Bloch equations together with the Poisson equation self-consistently. All…

Materials Science · Physics 2007-05-23 J. L. Cheng , M. W. Wu

Time- and spatially-resolved Faraday rotation spectroscopy is used to measure the magnitude and direction of the momentum-dependent spin splitting in strained InGaAs epilayers. The epilayers are lattice-matched to the GaAs substrate and…

Mesoscale and Nanoscale Physics · Physics 2010-08-10 B. M. Norman , C. J. Trowbridge , J. Stephens , A. C. Gossard , D. D. Awschalom , V. Sih

We present a theory for two recent experiments in bulk strained semiconductors \cite{kato1, kato2} and show that a new, previously overlooked, strain spin-orbit coupling term may play a fundamental role. We propose simple experiments that…

Other Condensed Matter · Physics 2009-11-10 B. Andrei Bernevig , Shou-Cheng Zhang

We study the interaction-enhanced spin gaps in the two-dimensional electron gas confined in GaAs/AlGaAs single heterojunctions subjected to weak magnetic fields. The values are obtained from the chemical potential jumps measured by…

Strongly Correlated Electrons · Physics 2007-05-23 V. S. Khrapai , A. A. Shashkin , E. L. Shangina , V. Pellegrini , F. Beltram , G. Biasiol , L. Sorba

We revisit ground states of spinor Bose-Einstein condensates with a Rashba spin-orbit coupling, and find that votices show up as a direct consequence of spontaneous symmetry breaking into a combined gauge, spin, and space rotation symmetry,…

Quantum Gases · Physics 2013-07-17 Zhi-Fang Xu , Shingo Kobayashi , Masahito Ueda

We make detailed analysis of each possible spin-orbit coupling of zincblende narrow-gap cylindrical quantum dots built in two-dimensional electron gas. These couplings are related to both bulk (Dresselhaus) and structure (Rashba) inversion…

Atomic Physics · Physics 2007-05-23 C. F. Destefani , S. E. Ulloa , G. E. Marques

Bilayer graphene (BLG)-based quantum devices represent a promising platform for emerging technologies, such as quantum computing and spintronics. However, their intrinsically weak spin-orbit coupling (SOC) complicates spin and valley…

We study electron-spin-photon coupling in a single-spin double quantum dot embedded in a superconducting stripline cavity. With an external magnetic field, we show that either a spin-orbit interaction (for InAs) or an inhomogeneous magnetic…

Mesoscale and Nanoscale Physics · Physics 2012-09-05 Xuedong Hu , Yu-xi Liu , Franco Nori
‹ Prev 1 4 5 6 7 8 10 Next ›