Waiting time distribution revealing the internal spin dynamics in a double quantum dot

K Ptaszyński - Physical Review B, 2017 - APS
Waiting time distribution and the zero-frequency full counting statistics of unidirectional
electron transport through a double quantum dot molecule attached to spin-polarized leads …

An array of quantum dots as a spin filter device by using Dicke and Fano effects

JH Ojeda, M Pacheco, PA Orellana - Nanotechnology, 2009 - iopscience.iop.org
In this paper we propose a new design of a spin-dependent polarizer based on a quantum
dot array coupled to leads. By lifting the spin degeneracy of the carriers in the quantum dots …

Triple Rashba dots as a spin filter: Bound states in the continuum and Fano effect

ML Vallejo, MLL de Guevara, PA Orellana - Physics Letters A, 2010 - Elsevier
We propose an efficient spin-filter device by exploiting bound states (BICs) in the continuum
and Fano effect on a triple Rashba quantum dot molecule embedded in an Aharonov–Bohm …

Electrostatic control over polarized currents through the spin-orbital Kondo effect

CA Büsser, AE Feiguin, GB Martins - Physical Review B—Condensed Matter …, 2012 - APS
Numerical calculations indicate that by suitably controlling the individual gate voltages of a
capacitively coupled parallel double quantum dot, with each quantum dot coupled to one of …

Fano–Rashba effect in quantum dots

PA Orellana, M Amado, F Domínguez-Adame - Nanotechnology, 2008 - iopscience.iop.org
We consider the electronic transport through a Rashba quantum dot coupled to
ferromagnetic leads. We show that the interference of localized electron states with resonant …

Bound states in the continuum and spin filter in quantum-dot molecules

JP Ramos, PA Orellana - Physica B: Condensed Matter, 2014 - Elsevier
In this paper we study the formation of bound states in the continuum in a quantum dot
molecule coupled to leads and their potential application in spintronics. Based on the …

SU (4)-SU (2) crossover and spin-filter properties of a double quantum dot nanosystem

V Lopes, RA Padilla, GB Martins, EV Anda - Physical Review B, 2017 - APS
The SU (4)-SU (2) crossover, driven by an external magnetic field h, is analyzed in a
capacitively coupled double quantum dot device connected to independent leads. As one …

Exchange-dependent spin polarized transport and phase transition in a triple monomer molecule

Y Xiong, S Luo, H Huang, Y Ma, X Zhang - Physical Chemistry …, 2019 - pubs.rsc.org
Molecular junctions contribute significantly to the fundamental understanding of the quantum
information technologies in molecular spintronics. In this paper, with the aid of the state of …

Bidirectional spin filter in a triple orbital molecule junction by tuning the magnetic field along a single direction

YC Xiong, SJ Luo, WH Zhou, W Li… - The Journal of Chemical …, 2019 - pubs.aip.org
Metal-molecule-metal junction is considered the basing block and key element of molecular
spintronic devices, within which to generate spin polarized currents is one of the most …

Fano and Dicke effects in a double Rashba-ring system

VM Apel, PA Orellana, M Pacheco - Nanotechnology, 2008 - iopscience.iop.org
The electronic transport in a system of two quantum rings side-coupled to a quantum wire is
studied via a single-band tunneling tight-binding Hamiltonian. We derived analytical …