Josephson and Andreev transport through quantum dots

A Martín-Rodero, A Levy Yeyati - Advances in Physics, 2011‏ - Taylor & Francis
In this article, we review the state of the art on the transport properties of quantum dot
systems connected to superconducting and normal electrodes. The review is mainly focused …

Bipolar magnetic materials for electrical manipulation of spin-polarization orientation

X Li, J Yang - Physical Chemistry Chemical Physics, 2013‏ - pubs.rsc.org
In spintronics, both the charge and spin of the electrons are exploited for information
processing. Develo** simple methods to manipulate and detect the carriers' spin …

High-efficiency Cooper pair splitting demonstrated by two-particle conductance resonance and positive noise cross-correlation

A Das, Y Ronen, M Heiblum, D Mahalu… - Nature …, 2012‏ - nature.com
Entanglement is at the heart of the Einstein-Podolsky-Rosen paradox, where the non-locality
is a necessary ingredient. Cooper pairs in superconductors can be split adiabatically, thus …

Experimental observation of bias-dependent nonlocal Andreev reflection

S Russo, M Kroug, TM Klapwijk, AF Morpurgo - Physical review letters, 2005‏ - APS
We investigate transport through hybrid structures consisting of two normal metal leads
connected via tunnel barriers to one common superconducting electrode. We find clear …

Finite-bias Cooper pair splitting

L Hofstetter, S Csonka, A Baumgartner, G Fülöp… - Physical review …, 2011‏ - APS
In a device with a superconductor coupled to two parallel quantum dots (QDs) the electrical
tunability of the QD levels can be used to exploit nonclassical current correlations due to the …

Nonlocal correlations in normal-metal superconducting systems

P Cadden-Zimansky, V Chandrasekhar - Physical review letters, 2006‏ - APS
We examine nonlocal effects between normal-metal gold probes connected by
superconducting aluminum. For highly transparent Au/Al interfaces, we find nonlocal …

Crossed Andreev reflection in a graphene bipolar transistor

J Cayssol - Physical review letters, 2008‏ - APS
We investigate the crossed Andreev reflections between two graphene leads connected by
a narrow superconductor. When the leads are, respectively, of the n and p type, we find that …

Positive noise cross-correlation in hybrid superconducting and normal-metal three-terminal devices

J Wei, V Chandrasekhar - Nature Physics, 2010‏ - nature.com
Non-local entanglement is a key ingredient to quantum information processing. For photons,
entanglement has been demonstrated, but it is more difficult to observe for electrons. One …

Nonlocal Andreev entanglements and triplet correlations in graphene with spin-orbit coupling

R Beiranvand, H Hamzehpour, M Alidoust - Physical Review B, 2017‏ - APS
Using a wave function Dirac Bogoliubov–de Gennes method, we demonstrate that the
tunable Fermi level of a graphene layer in the presence of Rashba spin-orbit coupling …

Sign of the crossed conductances at a ferromagnet/superconductor/ferromagnet double interface

R Mélin, D Feinberg - Physical Review B—Condensed Matter and Materials …, 2004‏ - APS
Crossed conductance in hybrid ferromagnet/superconductor/ferromagnet (FSF) structures
results from the competition between normal transmission and Andreev reflection channels …