Quantum transport theory for nanostructures with Rashba spin-orbital interaction

Q Sun, J Wang, H Guo - Physical Review B—Condensed Matter and Materials …, 2005 - APS
We report on a general theory for analyzing quantum transport through devices in the metal-
QD-metal configuration where QD is a quantum dot or the device-scattering region which …

Diffuse transport and spin accumulation in a Rashba two-dimensional electron gas

J Inoue, GEW Bauer, LW Molenkamp - Physical Review B, 2003 - APS
Abstract The Rashba Hamiltonian describes the splitting of the conduction band as a result
of spin-orbit coupling in the presence of an asymmetric confinement potential and is …

Spin accumulation in quantum wires with strong Rashba spin-orbit coupling

M Governale, U Zülicke - Physical Review B, 2002 - APS
We present analytical and numerical results for the effect of Rashba spin-orbit coupling on
band structure, transport, and interaction effects in quantum wires when the spin precession …

Persistent current in ballistic mesoscopic rings with Rashba spin-orbit coupling

J Splettstoesser, M Governale, U Zülicke - Physical Review B, 2003 - APS
The presence of spin-orbit coupling affects the spontaneously flowing persistent currents in
mesoscopic conducting rings. Here we analyze their dependence on magnetic flux with …

Types of topological surface states in nodal noncentrosymmetric superconductors

AP Schnyder, PMR Brydon, C Timm - Physical Review B—Condensed Matter …, 2012 - APS
Nodal noncentrosymmetric superconductors have topologically nontrivial properties
manifested by protected zero-energy surface states. Specifically, it was recently found that …

Symmetry of Spin Transport in Two-Terminal Waveguides with a Spin-Orbital Interaction<? format?> and Magnetic Field Modulations

F Zhai, HQ Xu - Physical review letters, 2005 - APS
We analyze symmetries of spin transport in two-terminal quantum waveguide structures with
Rashba spin-orbit coupling and magnetic field modulations. Constraints, imposed by the …

Ballistic spin transport and spin interference in ferromagnet/InAs (2DES)/ferromagnet devices

T Matsuyama, CM Hu, D Grundler, G Meier, U Merkt - Physical Review B, 2002 - APS
We examine the injection of electron spins from ferromagnets (F) into quasi-two-dimensional
electron systems (2DES's) of semiconductors and employ the transfer-matrix formalism to …

Spontaneous spin-polarized current in a nonuniform Rashba interaction system

Q Sun, XC Xie - Physical Review B—Condensed Matter and Materials …, 2005 - APS
We investigate electron transport through a two-dimensional semiconductor with a
nonuniform Rashba spin-orbit interaction. Due to the combination of the coherence effect …

Spin transport of electrons through quantum wires with a spatially modulated Rashba spin-orbit interaction

XF Wang - Physical Review B, 2004 - APS
We study ballistic transport of spin-polarized electrons through quantum wires in which the
Rashba spin-orbit interaction (SOI) is spatially modulated. Subband mixing, due to SOI …

Spin-current generation and detection in the presence of an ac gate

AG Mal'Shukov, CS Tang, CS Chu, KA Chao - Physical Review B, 2003 - APS
We predict that in a narrow gap III-V semiconductor quantum well or quantum wire, an
observable electron spin current can be generated with a time-dependent gate to modify the …