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Tunneling conductance of a clean normal metal/d-wave superconductor junction is studied by using the extended Blonder-Tinkham-Klapwijk formalism. We show that the conductance is significantly affected by the interface spin-orbit coupling of…

Superconductivity · Physics 2015-05-19 S. Wu , K. V. Samokhin

We present the first findings of the spin transistor effect caused by the Rashba gate-controlled ring embedded in the p-type self-assembled silicon quantum well that is prepared on the Si (100) surface. The coherence and phase sensitivity…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 N. T. Bagraev , N. G. Galkin , W. Gehlhoff , L. E. Klyachkin , A. M. Malyarenko , I. A. Shelykh

We study spin torques induced by Rashba spin-orbit coupling in two-dimensional ferromagnets under the good-metal condition $\epsilon_{F}\tau/\hbar\gg1$ ($\epsilon_{F}$ the Fermi energy, $\tau$ the electron lifetime) by employing the Kubo…

Mesoscale and Nanoscale Physics · Physics 2017-07-21 Cong Xiao , Qian Niu

Space- and time-resolved measurements of spin drift and diffusion are performed on a GaAs-hosted two-dimensional electron gas. For spins where forward drift is compensated by backward diffusion, we find a precession frequency in absence of…

Mesoscale and Nanoscale Physics · Physics 2016-05-11 P. Altmann , F. G. G. Hernandez , G. J. Ferreira , M. Kohda , C. Reichl , W. Wegscheider , G. Salis

We present the first findings of the spin transistor effect in the Rashba gate-controlled ring embedded in the p-type self-assembled silicon quantum well that is prepared on the n-type Si (100) surface. The coherence and phase sensitivity…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 N. T. Bagraev , N. G. Galkin , W. Gehlhoff , L. E. Klyachkin , A. M. Malyarenko , I. A. Shelykh

We study the Kondo screening of a magnetic impurity adsorbed in graphene in the presence of Rashba spin-orbit interaction. The system is described by an effective single-channel Anderson impurity model, which we analyze using the numerical…

Strongly Correlated Electrons · Physics 2014-07-22 Diego Mastrogiuseppe , Arturo Wong , Kevin Ingersent , Sergio Ulloa , Nancy Sandler

We study how the Rashba spin-orbit interaction influences unconventional superconductivity in a two dimensional electron gas partially spin-polarized by a magnetic field. Somewhat surprisingly, we find that for all field orientations, only…

Superconductivity · Physics 2016-07-01 Ethan Lake , Caleb Webb , D. A. Pesin , O. A. Starykh

Recent studies using Terahertz Time-Domain Spectroscopy (THz-TDS) with spintronic emitters as a source have revealed distinct signatures of the Rashba effect. This effect, which arises from the breaking of inversion symmetry in…

Spin splittings in III-V materials and heterostructures are of interest because of potential applications, mainly in spintronic devices. A necessary condition for the existence of these spin splittings is the absence of inversion symmetry.…

Strongly Correlated Electrons · Physics 2007-05-23 Miguel A Oliveira , Angus MacKinnon

We study the electrical conductance in single-mode quantum wires with Rashba spin-orbit interaction subjected to externally applied magnetic fields in the regime in which the ratio of spin-orbit momentum to the Fermi momentum is close to an…

Mesoscale and Nanoscale Physics · Physics 2018-07-17 Pavel P. Aseev , Daniel Loss , Jelena Klinovaja

We study theoretically the spin relaxation rate in quasi-one-dimensional coupled double semiconductor quantum dots. We consider InSb and GaAs-based systems in the presence of the Rashba spin-orbit interaction, which causes mixing of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. L. Romano , P. I. Tamborenea , S. E. Ulloa

Tight-binding models for the recently observed surface electronic bands of SrTiO3 and KTaO3 are analyzed with a view to bringing out the relevance of momentum-space chiral angular momentum structures of both orbital and spin origins.…

Materials Science · Physics 2014-11-26 Panjin Kim , Kyeong Tae Kang , Jung Hoon Han

Spin-dependent electron transport in a periodically stubbed quantum wire in the presence of Rashba spin-orbit interaction (SOI) is studied via the nonequilibrium Green's function method combined with the Landauer-Buttiker formalism. The…

Mesoscale and Nanoscale Physics · Physics 2014-02-20 Xianbo Xiao , Zhaoxia Chen , Zhiming Rao , Wenjie Nie , Guanghui Zhou

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

Employing the spin degree of freedom of charge carriers offers the possibility to extend the functionality of conventional electronic devices, while colloidal chemistry can be used to synthesize inexpensive and tuneable nanomaterials. In…

A design of the resonance spin finter is suggested in form of a quantum well with three quantum wires attached. Explicit formula is suggested for transmission coefficients accross the well in terms of the resonance eigenfunction of the…

Other Condensed Matter · Physics 2007-05-23 B. Pavlov , A. Yafyasov

In this paper, spin properties of monolayer MX (M=Ga, In and X=S, Se, Te) in the presence of strain are studied. Density functional theory is used to investigate spin properties. The strain changes modification of bandgap due to spin-orbit…

Materials Science · Physics 2020-05-20 Mohammad Ariapour , Shoeib Babaee Touski

We discuss how electron-electron interactions renormalize the spin-orbit induced anticrossings between different subbands in ballistic quantum wires. Depending on the ratio of spin-orbit coupling and subband spacing, electron-electron…

Mesoscale and Nanoscale Physics · Physics 2014-06-03 Tobias Meng , Jelena Klinovaja , Daniel Loss

We derive the extension of the Hubbard model to include Rashba spin-orbit coupling that correctly describes Aharonov-Bohm and Aharonov-Casher phases in a ring under applied magnetic and electric fields. When the ring is connected to…

Strongly Correlated Electrons · Physics 2015-05-13 A. M. Lobos , A. A. Aligia

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
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