Spin-polarized current and shot noise in the presence of spin flip in a quantum dot via nonequilibrium Green's functions

FM Souza, AP Jauho, JC Egues - Physical Review B—Condensed Matter and …, 2008 - APS
Using nonequilibrium Green's functions we calculate the spin-polarized current and shot
noise in a ferromagnet-quantum-dot-ferromagnet system. Both parallel (P) and antiparallel …

Spin effects in single-electron tunnelling

J Barnaś, I Weymann - Journal of Physics: Condensed Matter, 2008 - iopscience.iop.org
An important consequence of the discovery of giant magnetoresistance in metallic magnetic
multilayers is a broad interest in spin-dependent effects in electronic transport through …

Magnetic switching of a single molecular magnet due to spin-polarized current

M Misiorny, J Barnaś - Physical Review B—Condensed Matter and Materials …, 2007 - APS
Magnetic switching of a single molecular magnet (SMM) due to spin-polarized current
flowing between ferromagnetic metallic leads (electrodes) is investigated theoretically …

Kondo effect in a semiconductor quantum dot coupled to ferromagnetic electrodes

K Hamaya, M Kitabatake, K Shibata, M Jung… - Applied Physics …, 2007 - pubs.aip.org
Using a laterally fabricated quantum-dot (QD) spin-valve device, we experimentally study
the Kondo effect in the electron transport through a semiconductor QD with an odd number …

Anisotropic magneto-Coulomb effects and magnetic single-electron-transistor action in a single nanoparticle

A Bernand-Mantel, P Seneor, K Bouzehouane, S Fusil… - Nature Physics, 2009 - nature.com
A present challenge in the field of spintronics is the study of spin-dependent transport in
nanodevices where all dimensions are reduced to only a few nanometres. The archetypical …

Effects of different geometries on the conductance, shot noise, and tunnel magnetoresistance of double quantum dots

I Weymann - Physical Review B—Condensed Matter and Materials …, 2008 - APS
The spin-polarized transport through a coherent strongly coupled double quantum dot
(DQD) system is analyzed theoretically in the sequential and cotunneling regimes. Using the …

Spin-resolved Andreev transport through double-quantum-dot Cooper pair splitters

P Trocha, I Weymann - Physical Review B, 2015 - APS
We investigate the Andreev transport through double-quantum-dot Cooper pair splitters with
ferromagnetic leads. The analysis is performed with the aid of the real-time diagrammatic …

Electronic waiting-time distribution of a quantum-dot spin valve

B Sothmann - Physical Review B, 2014 - APS
We discuss the electronic waiting-time distribution of a quantum-dot spin valve, ie, a single-
level quantum dot coupled to two ferromagnetic electrodes with magnetizations that can …

Transport through quantum-dot spin valves containing magnetic impurities

B Sothmann, J König - Physical Review B—Condensed Matter and Materials …, 2010 - APS
We investigate transport through a single-level quantum dot coupled to noncollinearly
magnetized ferromagnets in the presence of localized spins in either the tunnel barrier or on …

Electric-field control of tunneling magnetoresistance effect in a Ni∕ InAs∕ Ni quantum-dot spin valve

K Hamaya, M Kitabatake, K Shibata, M Jung… - Applied physics …, 2007 - pubs.aip.org
The authors demonstrate an electric-field control of tunneling magnetoresistance (TMR)
effect in a semiconductor quantum-dot spin-valve device. By using ferromagnetic Ni …