334 citations · 1.5k across the 22 of their papers we have counts for
19 papers · 1 filter
Majorana signatures in an asymmetrically coupled quantum dot--topological superconducting nanowire junction
Levente Máthé, Ioan Grosu, Liviu P. Zârbo +1
We present a theoretical study of the quantum transport through a nanoscale system in which a central quantum dot (QD) is coupled asymmetrically to normal leads and to two Majorana…
Phonon-Assisted Tunneling through Quantum Dot Systems Connected to Majorana Bound States
Levente Máthé, Zoltán Kovács-Krausz, Ioan Botiz +4
We theoretically analyze phonon-assisted tunneling transport in a quantum dot side connected to a Majorana bound state in a topological superconducting nanowire. We investigate the…
Quantum transport through a quantum dot side-coupled to a Majorana bound state pair in the presence of electron-phonon interaction
Levente Máthé, Doru Sticlet, Liviu P. Zârbo
We theoretically study quantum transport through a quantum dot coupled to Majorana bound states confined at the ends of a topological superconducting nanowire. The topological supe…
Reconfigurable Boolean Logic using Magnetic Single-Electron Transistors
M. F. Gonzalez-Zalba, C. Ciccarelli, L. P. Zarbo +6
We propose a novel hybrid single-electron device for reprogrammable low-power logic operations, the magnetic single-electron transistor (MSET). The device consists of an aluminium…
Intraband and interband spin-orbit torques in non-centrosymmetric ferromagnets
Hang Li, H. Gao, Liviu P. Zârbo +8
Intraband and interband contributions to the current-driven spin-orbit torque in magnetic materials lacking inversion symmetry are theoretically studied using Kubo formula. In addi…
Observation of a Berry phase anti-damping spin-orbit torque
H. Kurebayashi, Jairo Sinova, D. Fang +10
Recent observations of current-induced magnetization switching at ferromagnet/normal-conductor interfaces have important consequences for future magnetic memory technology. In one…
Spin-orbit driven ferromagnetic resonance: A nanoscale magnetic characterisation technique
D. Fang, H. Kurebayashi, J. Wunderlich +7
We demonstrate a scalable new ferromagnetic resonance (FMR) technique based on the spin-orbit interaction. An alternating current drives FMR in uniform ferromagnetic structures pat…
Spin Hall effect transistor
J. Wunderlich, B. G. Park, A. C. Irvine +6
Spin transistors and spin Hall effects have been two separate leading directions of research in semiconductor spintronics which seeks new paradigms for information processing techn…
Modeling of diffusion of injected electron spins in spin-orbit coupled microchannels
Liviu P. Zarbo, Jairo Sinova, Irena Knezevic +2
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 coup…
Spin Currents in Semiconductor Nanostructures: A Nonequilibrium Green-Function Approach
Branislav K. Nikolic, Liviu P. Zarbo, Satofumi Souma
This chapter of "The Oxford Handbook of Nanoscience and Technology: Frontiers and Advances" reviews nonequilibrium Green function (NEGF) approach to modeling spin current generatio…
Spin-injection Hall effect in a planar photovoltaic cell
J. Wunderlich, A. C. Irvine, Jairo Sinova +5
Successful incorporation of the spin degree of freedom in semiconductor technology requires the development of a new paradigm allowing for a scalable, non-destructive electrical de…
Spin and Charge Shot Noise in Mesoscopic Spin Hall Systems
R. L. Dragomirova, L. P. Zarbo, B. K. Nikolic
Injection of unpolarized charge current through the longitudinal leads of a four-terminal two-dimensional electron gas with the Rashba spin-orbit (SO) coupling and/or SO scattering…
Nanomechanical Spin-Polarizer
Alexey A. Kovalev, Liviu P. Zârbo, Y. Tserkovnyak +2
Torsional oscillations of a free-standing semiconductor beam are shown to cause spin-dependent oscillating potentials that spin-polarize an applied charge current in the presence o…
Spatial distribution of local currents of massless Dirac fermions in quantum transport through graphene nanoribbons
Liviu P. Zarbo, Branislav K. Nikolic
We employ the formalism of bond currents, expressed in terms of the nonequilibrium Green functions, to image the charge flow between two sites of the honeycomb lattice of graphene…
Extrinsic Entwined with Intrinsic Spin Hall Effect in Disordered Mesoscopic Bars
Branislav K. Nikolic, Liviu P. Zarbo
We show that pure spin Hall current, flowing out of a four-terminal phase-coherent two-dimensional electron gas (2DEG) within inversion asymmetric semiconductor heterostructure, co…
Imaging mesoscopic spin Hall flow: Spatial distribution of local spin currents and spin densities in and out of multiterminal spin-orbit coupled semiconductor nanostructures
Branislav K. Nikolic, Liviu P. Zarbo, Satofumi Souma
We introduce the concept of bond spin current, which describes the spin transport between two sites of the lattice model of a multiterminal spin-orbit (SO) coupled semiconductor na…
Transverse Spin-Orbit Force in the Spin Hall Effect in Ballistic Semiconductor Wires
Branislav K. Nikolic, Liviu P. Zarbo, Sven Welack
We introduce the spin and momentum dependent {\em force operator} which is defined by the Hamiltonian of a {\em clean} semiconductor quantum wire with homogeneous Rashba spin-orbit…
Can Non-Equilibrium Spin Hall Accumulation be Induced in Ballistic Nanostructures?
Branislav K. Nikolic, Satofumi Souma, Liviu P. Zarbo +1
We demonstrate that flow of longitudinal unpolarized current through a ballistic two-dimensional electron gas with Rashba spin-orbit coupling will induce nonequilibrium spin accumu…
Mesoscopic Spin Hall Effect in Multiprobe Ballistic Spin-Orbit Coupled Semiconductor Bridges
Branislav K. Nikolic, Liviu P. Zarbo, Satofumi Souma
We predict that unpolarized charge current driven through the longitudinal leads attached to ballistic quantum-coherent two-dimensional electron gas (2DEG) in semiconductor heteros…