English
Related papers

Related papers: Electron scattering from a mesoscopic disk in Rash…

200 papers

We demonstrate experimentally and theoretically that two-dimensional (2D) heavy hole systems in single heterostructures exhibit a \emph{decrease} in spin-orbit interaction-induced spin splitting with an increase in perpendicular electric…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Habib , E. Tutuc , S. Melinte , M. Shayegan , D. Wasserman , S. A. Lyon , R. Winkler

We investigate the scattering of a quantum particle with a two-dimensional (2D) Rashba spin-orbit coupled dispersion off of circularly symmetric potentials. As the energy of the particle approaches the bottom of the lowest spin-split band,…

Mesoscale and Nanoscale Physics · Physics 2017-09-20 Joel Hutchinson , Joseph Maciejko

We study spin conductance in a ballistic and quasi-ballistic two dimensional electron system with Rasbha spin-orbit coupling. The system has a four-terminal geometry with round corners at the connection to the leads. It is found that by…

Mesoscale and Nanoscale Physics · Physics 2011-11-08 Gunnar Thorgilsson , Sigurdur I. Erlingsson

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

In this work we study interacting electrons on square lattice in the presence of strong Rashba spin-orbit interaction. The spin-orbit term forces the time-reversal electron states to be paired in even Cooper channels. For concreteness, we…

Strongly Correlated Electrons · Physics 2019-03-27 Rasoul Ghadimi , Mehdi Kargarian , S. Akbar Jafari

Using standard quantum network method, we analytically investigate the effect of Rashba spin-orbit coupling (RSOC) and a magnetic field on the spin transport properties of a polygonal quantum ring. Using Landauer-Buttiker formula, we have…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Han-Zhao Tang , Li-Xue Zhai , Man Shen , Jian-Jun Liu

The Harper-Hofstadter problem for two-dimensional electron gas with Rashba spin-orbit coupling subject to periodic potential and perpendicular magnetic field is studied analytically and numerically. The butterfly-like energy spectrum,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 V. Ya. Demikhovskii , A. A. Perov

In these lecture notes we study the disordered two-dimensional electron gas in the presence of Rashba spin-orbit coupling, by using the Keldysh non-equilibrium Green function technique. We describe the effects of the spin-orbit coupling in…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Roberto Raimondi , Cosimo Gorini , Sebastian Tölle

Inelastic scattering off magnetic impurities in a spin-chiral two-dimensional electron gas, e.g., the Rashba system, is shown to generate topological changes in the spin texture of the electron waves emanating from the scattering center.…

Mesoscale and Nanoscale Physics · Physics 2015-09-10 J. Fransson

Associated with spin-orbit coupling (SOC) and inversion symmetry breaking, Rashba spin polarization opens a new avenue for spintronic applications that was previously limited to ordinary magnets. However, spin polarization effects in actual…

Computational Physics · Physics 2016-10-12 Qihang Liu , Xiuwen Zhang , J. A. Waugh , D. S. Dessau , Alex Zunger

When a foreign atom is placed on a surface of a metal, the surrounding sea of electrons responds screening the additional charge leading to oscillations or ripples. On surfaces, those electrons are sometimes confined to two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Samir Lounis , Andreas Bringer , Stefan Blügel

In this article, we have discussed about the scattering of charge and spin in spin-resolved mesoscopic systems. We have proposed a method to generate and detect the entanglement of electronic spin and electronic orbital degrees of freedom.…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Bibek Bhandari

We study the effect of anisotropy of the Rashba coupling on the extrinsic spin Hall effect due to spin-orbit active adatoms on graphene. In addition to the intrinsic spin-orbit coupling, a generalized anisotropic Rashba coupling arising…

Mesoscale and Nanoscale Physics · Physics 2016-03-01 H-Y. Yang , Chunli Huang , Hector Ochoa , Miguel A. Cazalilla

Quantum effects in weakly disordered systems are governed by the properties of the elementary interaction between propagating particles and impurities. Long range mesoscopic effects due to multiple scattering are derived by iterating the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. A. Mueller , C. Miniatura , E. Akkermans , G. Montambaux

The scheme of experiment for studying electron scattering in the field of a magnetic monopole in two dimensional electron gas is proposed. The differential scattering cross section is obtained in the eikonal approximation. For unpolarized…

Mesoscale and Nanoscale Physics · Physics 2026-03-25 P. S. Sidorov , N. A. Vlasov , I. S. Terekhov , A. I. Milstein

Transport by helical edge states of a quantum spin Hall insulator is experimentally characterized by a weakly temperature-dependent mean free path of a few microns and by reproducible conductance oscillations, challenging proposed…

Mesoscale and Nanoscale Physics · Physics 2016-02-09 Lukas Kimme , Bernd Rosenow , Arne Brataas

We describe the simultaneous effects of the spin-orbit (SO) perturbation and a magnetic field $B$ on a disk shaped quantum dot (QD). {As it is known the} combination of electrostatic forces among the $N$ electrons confined in the QD and the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. Bellucci , P. Onorato

We report distinct nonanalytic signatures in the spin-orbit entanglement of a 2D electron gas with Rashba interactions at integer values of the filling factor and at certain level crossings. The accompanying sharp changes in the bulk…

Strongly Correlated Electrons · Physics 2016-05-16 Rona F. Barbarona , Francis N. C. Paraan

The effect of in-plane electric field on Landau level spacing, spin splitting energy, average spin polarization and average spin current in the bulk as well as at the edges of a two-dimensional electron system with Rashba spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2013-05-14 SK Firoz Islam , Tarun Kanti Ghosh

We calculate the electrical and thermal conductivity of a two-dimensional electron gas with strong spin--orbit coupling in which the scattering is dominated by electron--electron collisions. Despite the apparent absence of Galilean…

Mesoscale and Nanoscale Physics · Physics 2020-10-14 K. E. Nagaev , A. A. Manoshin
‹ Prev 1 3 4 5 6 7 10 Next ›