Spin-dependent boundary conditions for isotropic superconducting Green's functions (2009)
Cottet, Audrey, Huertas-Hernando, Daniel, Belzig, Wolfgang, Nazarov, Yuli V.
The quasiclassical theory of superconductivity provides the most successful description of diffusive heterostructures comprising superconducting elements, namely, the Usadel equations for isotropic...
Crossed Andreev Reflection versus Electron Transfer in Graphene Nanoribbons (2009)
Haugen, Håvard, Huertas-Hernando, Daniel, Brataas, Arne, Waintal, Xavier
We investigate the transport properties of three-terminal graphene devices, where one terminal is superconducting and two are normal metals. The terminals are connected by zigzag nanoribbons....
Full counting statistics of crossed Andreev reflection (2009)
Morten, Jan Petter, Huertas-Hernando, Daniel, Belzig, Wolfgang, Brataas, Arne
We calculate the full transport counting statistics in a three-terminal tunnel device with one superconducting source and two normal-metal or ferromagnet drains. We obtain the transport probability...
A supercurrent switch in graphene $\pi$-junctions (2008)
Linder, Jacob, Yokoyama, Takehito, Huertas-Hernando, Daniel, Sudb\o, Asle
We study the supercurrent in a superconductor/ferromagnet/superconductor graphene junction. In contrast to its metallic counterpart, the oscillating critical current in our setup decays only weakly...
Spin transport in proximity induced ferromagnetic graphene (2007)
Haugen, H., Huertas-Hernando, Daniel, Brataas, Arne
Magnetic gates in close proximity to graphene can induce ferromagnetic correlations. We study the effect of such induced magnetization dependent Zeeman splittings on the graphene transport...
Spin relaxation times in disordered graphene (2007)
Huertas-Hernando, Daniel, Guinea, Francisco, Brataas, Arne
We consider two mechanisms of spin relaxation in disordered graphene. i) Spin relaxation due to curvature spin orbit coupling caused by ripples. ii) Spin relaxation due to the interaction of the...
Full counting statistics of a superconductor/ferromagnet entangler (2007)
Morten, Jan Petter, Huertas-Hernando, Daniel, Brataas, Arne, Belzig, Wolfgang
We consider the production of spatially separated entangled electrons in transport between a superconductor and ferromagnets: Spin singlet Cooper pairs are filtered into different leads by spin...
Elementary Charge Transfer Processes in a Superconductor-Ferromagnet Entangler (2006)
Morten, Jan Petter, Huertas-Hernando, Daniel, Belzig, Wolfgang, Brataas, Arne
We study the production of spatially separated entangled electrons in ferromagnetic leads from Cooper pairs in a superconducting lead. We give a complete description of the elementary charge transfer...
Huertas-Hernando, Daniel, Alhassid, Y.
We derive a closed expression for the finite-temperature conductance of a Coulomb-blockade quantum dot in the presence of an exchange interaction and a parallel magnetic field. Parallel-field...
Proximity effect gaps in S/N/FI structures (2004)
Huertas-Hernando, Daniel, Nazarov, Yu. V.
We study the proximity effect in hybrid structures consisting of superconductor and ferromagnetic insulator separated by a normal diffusive metal (S/N/FI structures). These stuctures were proposed to...
Bauer, Gerrit E. W., Tserkovnyak, Yaroslav, Huertas-Hernando, Daniel, Brataas, Arne
Magnetoelectronics is mainly digital, i.e. governed by up and down magnetizations. In contrast, analogue magnetoelectronics makes use of phenomena occuring for non-collinear magnetization...
Universal angular magnetoresistance and spin torque in ferromagnetic/normal metal hybrids (2002)
Bauer, Gerrit E. W., Tserkovnyak, Yaroslav, Huertas-Hernando, Daniel, Brataas, Arne
The electrical resistance of ferromagnetic/normal-metal (F/N) heterostructures depends on the nature of the junctions which may be tunnel barriers, point contacts, or intermetallic interfaces. For...
Generalized boundary conditions for the circuit theory of mesoscopic transport (2002)
Huertas-Hernando, Daniel, Nazarov, Yu. V., Belzig, W.
The circuit theory of mesoscopic transport provides a unified framework to describe spin-dependent or superconductivity-related phenomena. We extend this theory to hybrid systems of normal metals,...
Absolute spin-valve effect with superconducting proximity structures (2002)
Huertas-Hernando, Daniel, Nazarov, Yuli V., Belzig, Wolfgang
We investigate spin-dependent transport in hybrid superconductornormal-metalferromagnet structures under conditions of the proximity effect. We demonstrate the feasibility of the absolute...
Generalized boundary conditions for the circuit theory of spin transport (2002)
Huertas-Hernando, Daniel, Nazarov, Yuli V., Belzig, Wolfgang
The circuit theory of mesoscopic transport provides a unified framework of spin-dependent or superconductivity-related phenomena. We extend this theory to hybrid systems of normal metals,...
Absolute spin-valve effect with superconducting proximity structures (2001)
Huertas-Hernando, Daniel, Nazarov, Yu. V., Belzig, W.
We investigate spin dependent transport in hybrid superconductor(S)--normal-metal(N)--ferromagnet(F) structures under conditions of proximity effect. We demonstrate the feasibility of the absolute...
Theory of Angular Magnetoresistance in CPP spin valves (2001)
Huertas-Hernando, Daniel, Bauer, Gerrit E. W., Nazarov, Yu. V.
The resistance of CPP spin valve is a continuous function of the angle $\theta $ between the magnetizations of both ferromagnets. We use the cicuit theory for non-collinear magnetoelectronics to...
Semiclassical Concepts in Magnetoelectronics (2000)
Bauer, Gerrit E. W., Nazarov, Yuli V., Huertas-Hernando, Daniel, Brataas, Arne, Xia, Ke, Kelly, Paul J.
Semiclassical theories of electron and spin transport in metallic magnetic structures are reviewed with emphasis on the role of disorder and electronic band structures in the current perpendicular to...
Huertas-Hernando, Daniel, Nazarov, Yu. V., Brataas, Arne, Bauer, Gerrit E. W.
We study diffusive transport through ferromagnet - normal metal - ferromagnet (F-N-F) systems, with arbitrary but fixed magnetization directions of the ferromagnetic reservoirs and orientations of a...