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Related papers: Spintronics in MoS_2 monolayer quantum wires

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The band structure of a quantum wire with the Rashba spin-orbit coupling develops a pseudogap in the presence of a magnetic field along the wire. In such a system spin mixing at the Fermi wavevectors $-k_F$ and $k_F$ can be different. We…

Strongly Correlated Electrons · Physics 2009-11-11 Hyun C. Lee , S. -R. Eric Yang

The magnetic-induced orbital motion of quasiparticles affects the conductance properties of a hybrid strip of a quantum-anomalous-Hall topological material with induced superconductivity. We elucidate the scenario of topological NSN ideal…

Mesoscale and Nanoscale Physics · Physics 2019-04-17 Javier Osca , Llorenç Serra

We consider the Higgs mode at nonzero momentum in superconductors and demonstrate that in the presence of Rashba spin-orbit coupling, it couples linearly with an external exchange field. The Higgs-spin coupling dramatically modifies the…

Superconductivity · Physics 2025-02-10 Yao Lu , Risto Ojajärvi , P. Virtanen , M. A. Silaev , Tero T. Heikkilä

A recently discovered mechanism of electric dipole spin resonance, mediated by the hyperfine interaction, is investigated experimentally and theoretically. The effect is studied using a spin-selective transition in a GaAs double quantum…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 E. A. Laird , C. Barthel , E. I. Rashba , C. M. Marcus , M. P. Hanson , A. C. Gossard

For a linear chain of diamond-like elements, we show that the Rashba spin-orbit interaction (which can be tuned by a perpendicular gate voltage) and the Aharonov-Bohm flux (due to a perpendicular magnetic field) can combine to select only…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Amnon Aharony , Ora Entin-Wohlman , Yasuhiro Tokura , Shingo Katsumoto

Electrons with spin-orbit coupling moving in mesoscopic structures can often exhibit local spin polarization. In this paper, we study the influence of the Rashba coupling on the scattering of two-dimensional electrons from a circular disk.…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jr-Yu Yeh , Chung-Yu Mou , Ming-Che Chang

We consider spin Hall effect in a system of massless Dirac fermions in a graphene lattice. Two types of spin-orbit interaction, pertinent to the graphene lattice, are taken into account - the intrinsic and Rashba terms. Assuming perfect…

Materials Science · Physics 2015-05-14 A. Dyrdal , V. K. Dugaev , J. Barnas

In this work we investigate the spin-dependent transport through a double quantum dot embedded in a ferromagnetic tunnel junction and side attached to a topological superconducting nanowire hosting Majorana zero-energy modes. We focus on…

Mesoscale and Nanoscale Physics · Physics 2024-02-22 Piotr Majek , Ireneusz Weymann

We present a theoretical study on the effect of radiation on the mangetoresistance of two-dimensional electron systems with strong Rashba spint-orbit coupling. We want to study the interplay between two well-known effects in these electron…

Mesoscale and Nanoscale Physics · Physics 2017-04-06 Jesus Inarrea

The spin precession in a cylindrical semiconductor nanowire due to Rashba spin-orbit coupling has been investigated theoretically using an InAs nanowire containing a surface two-dimensional electron gas as a model. The eigenstates,…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 A. Bringer , Th. Schäpers

We investigate mesoscopic fluctuations in the spin polarization generated by a static electric field and by Rashba spin-orbit interaction in a disordered 2D electron gas. In a diagrammatic approach we find that the out-of-plane polarization…

Mesoscale and Nanoscale Physics · Physics 2009-12-08 Mathias Duckheim , Daniel Loss

We study spin-resolved transport in a ballistic quantum dot with Rashba spin-orbit coupling, focusing on charge-to-spin conversion and spin Hall effect. In the regime where the dot size is comparable to the Fermi wavelength, we identify a…

We show that a two-dimensional semiconductor with Rashba spin-orbit coupling could be driven into the second-order topological superconducting phase when a mixed-pairing state is introduced. The superconducting order we consider involves…

Mesoscale and Nanoscale Physics · Physics 2019-06-18 Xiaoyu Zhu

We propose a valley- and spin-filter based on a normal/ferromagnetic/normal molybdenum disulfide (MoS$_2$) junction where the polarizations of the valley and the spin can be inverted by reversing the direction of the exchange field in the…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Leyla Majidi , Moslem Zare , Reza Asgari

We study field-controlled spin-valley transport in monolayer MoS$_2$ through a single electrostatic barrier and a uniform off-resonant elliptically polarized irradiation. Starting from the massive Dirac Hamiltonian with intrinsic spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2026-05-21 Kamal Azaidaoui , Hocine Bahlouli , Clarence Cortes , David Laroze , Ahmed Jellal

We investigate theoretically the Rashba spin-orbit interaction in InAs/GaSb quantum wells(QWs). We find that the Rashba spin-splitting (RSS) depends sensitively on the thickness of the InAs layer. The RSS exhibits nonlinear behavior for…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. Li , Kai Chang , G. Q. Hai , K. S. Chan

We apply a circularly and linearly polarized terahertz field on a monolayer of graphene taking into account spin-orbit interactions of the intrinsic and Rashba type. It turns out that the field can not only be used to induce a gap in the…

Mesoscale and Nanoscale Physics · Physics 2013-08-29 Andreas Scholz , Alexander López , John Schliemann

Spin-orbit (SO) interactions in two dimensional systems split the Fermi surface, and allow for the spatial separation of spin-states via transverse magnetic focusing (TMF). In this work, we consider the case of combined Rashba and Zeeman…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Samuel S. R. Bladwell , Oleg P. Sushkov

Rashba spin-orbit interaction leads to a number of electromagnetic cross-correlation effects by inducing a mixing of electric and magnetic degrees of freedom. In this study, we investigate the optical properties of a magnetic Rashba…

Mesoscale and Nanoscale Physics · Physics 2016-12-23 Hideo Kawaguchi , Gen Tatara

The helical edge states in a quantum spin Hall insulator are presumably protected by time- reversal symmetry. However, even in the presence of magnetic field which breaks time-reversal symmetry, the helical edge conduction can still exist,…

Mesoscale and Nanoscale Physics · Physics 2017-05-17 Hsiu-Chuan Hsu , Min-Jyun Jhang , Tsung-Wei Chen , Guang-Yu Guo
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