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We report on a theoretical study of spin dynamics of an ensemble of spin-polarized electrons injected in a diffusive microchannel with linear Rashba and Dresselhaus spin-orbit coupling. We explore the dependence of the spin-precession and…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 Liviu P. Zarbo , Jairo Sinova , Irena Knezevic , J. Wunderlich , T. Jungwirth

We propose a procedure for extraction of the Fermi surface for a two-dimensional electron gas with a strong Rashba spin-orbit coupling from conductance microscopy. Due to the interplay between the effective spin-orbit magnetic field and the…

Mesoscale and Nanoscale Physics · Physics 2016-02-05 K. Kolasiński , H. Sellier , B. Szafran

Electron spins in a two-dimensional electron gas (2DEG) can be manipulated by spin-orbit (SO) fields originating from either Rashba or Dresselhaus interactions with independent isotropic characteristics. Together, though, they produce…

Mesoscale and Nanoscale Physics · Physics 2018-03-26 Henri Saarikoski , Andrés Reynoso , José Pablo Baltanás , Diego Frustaglia , Junsaku Nitta

We investigate theoretically the effect of a time dependent oscillating potential on the transport property of the Dirac Fermion through a monolayer graphene electrostatic barrier under the influence of the Rashba spin orbit interaction.…

Mesoscale and Nanoscale Physics · Physics 2015-08-13 R. Biswas , C. Sinha

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

Semimetallic tungsten ditelluride (WTe2) displays an extremely large non-saturating magnetoresistance (XMR), which is the subject of intense interest. This phenomenon is thought to arise from the combination of perfect n-p charge…

We consider a one-dimensional spin-orbit-coupled nanowire quantum dot, driven by external electric and magnetic fields, and theoretically formulate an electric mechanism to interfere its electron orbits. Owing to the existence of spin-orbit…

Quantum Physics · Physics 2016-12-20 Jingtao Fan , Yuansen Chen , Gang Chen , Liantuan Xiao , Suotang Jia , Franco Nori

We present the generalization of the two-dimensional quantum scattering formalism to systems with Rashba spin-orbit coupling. Using symmetry considerations, we show that the differential scattering cross section depends on the spin state of…

Mesoscale and Nanoscale Physics · Physics 2007-07-26 Andras Palyi , Jozsef Cserti

Spin filtering through quantum spin interference is addressed exactly, in two dimensions, in a medium that has both Rashba and Dresselhaus spin-orbit couplings and an applied external magnetic field. The problem is addressed from the fully…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Alexander López , Ernesto Medina , Nelson Bolívar , Bertrand Berche

We study the transport of electrons through a single-mode quantum ring with electric field induced Rashba spin-orbit interaction that is subjected to an in-plane magnetic field and weakly coupled to electron reservoirs. Modelling a ring…

Mesoscale and Nanoscale Physics · Physics 2013-09-09 Fateme K. Joibari , Ya. M. Blanter , Gerrit E. W. Bauer

Suspended nanowires are shown to provide mechanically-controlled coherent mixing/splitting of the spin states of transmitted electrons, caused by the Rashba spin-orbit interaction. The sensitivity of the latter to mechanical bending makes…

Mesoscale and Nanoscale Physics · Physics 2013-10-30 R. I. Shekhter , O. Entin-Wohlman , A. Aharony

Using the Kubo formalism, the magnetic properties of the system in the linear regime have been investigated. Mainly the effect of non-magnetic substrate on the spin susceptibility is calculated. Results show that the Rashba coupling…

Mesoscale and Nanoscale Physics · Physics 2015-07-20 Fatemeh Delkhosh , A. Phirouznia

The interplay between electronic eigenstates, spin, and orbital degrees of freedom, combined with fundamental breaking of symmetries is currently one of the most exciting fields of research. Multiferroics such as (GeMn)Te fulfill these…

We identify a series of topological transitions occurring in electronic spin transport when manipulating spin-guiding fields controlled by the geometric shape of mesoscopic interferometers. They manifest as distinct inversions of the…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 M. Wang , H. Saarikoski , A. A. Reynoso , J. P. Baltanás , D. Frustaglia , J. Nitta

We present the findings of the spin-dependent transport of the 2D holes in the p-type ultra-narrow self-assembled silicon quantum well (Si-QW) confined by the superconductor barriers on the n-type Si (100) surface. The Aharonov-Casher…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. T. Bagraev , M. I. Bovt , W. Gehlhoff , O. N. Guimbitskaya , L. E. Klyachkin , A. M. Malyarenko , V. A. Mashkov , V. V. Romanov , S. A. Rykov

In a two-dimensional ferromagnetic metal layer lacking inversion symmetry, the itinerant electrons mediate the interaction between the Rashba spin-orbit interaction and the ferromagnetic order parameter, leading to a Rashba spin torque…

Materials Science · Physics 2011-11-24 Xuhui Wang , Aurelien Manchon

We propose a spin field-effect transistor based on spin-orbit (s-o) coupling of both the Rashba and the Dresselhaus types. Differently from earlier proposals, spin transport through our device is tolerant against spin-independent scattering…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 John Schliemann , J. Carlos Egues , Daniel Loss

In 1984, Bychkov and Rashba introduced a simple form of spin-orbit coupling to explain certain peculiarities in the electron spin resonance of two-dimensional semiconductors. Over the past thirty years, similar ideas have been leading to a…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 A. Manchon , H. C. Koo , J. Nitta , S. M. Frolov , R. A. Duine

We show that Rashba spin-orbit coupling may result in an energy gap in the spectrum of electrons in a two-mode quantum wire if a suitable confining potential is chosen. This leads to a dip in the conductance and a spike in the spin current…

Mesoscale and Nanoscale Physics · Physics 2014-02-03 K. E. Nagaev , A. S. Goremykina

In this work, we theoretically study transverse magnetic focusing in a two-dimensional electron gas with strong Rashba spin-orbit interaction when proximitized along its edge with a superconducting contact. The presence of superconducting…

Mesoscale and Nanoscale Physics · Physics 2021-10-05 Lucila Peralta Gavensky , Gonzalo Usaj , C. A. Balseiro
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