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We study the nonlocal magnetotransport through a strongly correlated quantum dot, connected to multiple terminals consisting of two normal and one superconducting (SC) leads. Specifically, we present a comprehensive view on the interplay…

介观与纳米尺度物理 · 物理学 2026-03-11 Masashi Hashimoto , Yasuhiro Yamada , Yoichi Tanaka , Yoshimichi Teratani , Takuro Kemi , Norio Kawakami , Akira Oguri

A detailed investigation of the non-equilibrium steady-state electric and thermoelectric transport properties of a quantum dot coupled to the normal metallic and s-wave superconducting reservoirs (N-QD-S) are provided within the Coulomb…

介观与纳米尺度物理 · 物理学 2022-02-22 Sachin Verma , Ajay

Crossed Andreev reflection (CAR) is a nonlocal transport phenomenon in a system of two normal metal (NM) leads connected to a superconductor (SC) that converts the electron like excitations in one metallic lead into hole like excitations in…

介观与纳米尺度物理 · 物理学 2022-07-18 Abhiram Soori

We report on a novel exchange mechanism, mediating the Kondo screening, in a correlated double quantum dot structure in the proximity of superconductor, stemming from nonlocal Andreev reflection processes. We estimate its strength…

强关联电子 · 物理学 2019-01-18 Krzysztof P. Wójcik , Ireneusz Weymann

We study the electron transport through the quantum dot coupled to the normal metal and BCS-like superconductor (N - QD - S) in the presence of the Kondo effect and Andreev scattering. The system is described by the single impurity Anderson…

介观与纳米尺度物理 · 物理学 2009-11-10 M. Krawiec , K. I. Wysokinski

Crossed Andreev reflection (CAR) is a nonlocal quantum transport phenomenon that arises at the interface between a superconductor and two spatially separated metals. In this process, an electron incident from one metal combines with another…

介观与纳米尺度物理 · 物理学 2026-05-18 Polireddi Naveen , Abhiram Soori

We theoretically investigate the subgapped transport phenomena through a normal-superconductor-normal (NSN) junction made up of ultra thin topological insulator with proximity induced superconductivity. The dimensional crossover from three…

介观与纳米尺度物理 · 物理学 2017-10-18 SK Firoz Islam , Paramita Dutta , Arijit Saha

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 nanoribbons. Electron transfer (ET) and crossed Andreev reflection…

介观与纳米尺度物理 · 物理学 2010-07-28 Håvard Haugen , Daniel Huertas-Hernando , Arne Brataas , Xavier Waintal

Nonlocal entanglement is crucial for quantum information processes. While nonlocal entanglement has been realized for photons, it is much more difficult to demonstrate for electrons. One approach that has been proposed is to use hybrid…

介观与纳米尺度物理 · 物理学 2014-10-15 Jian Wei , Venkat Chandrasekhar

We analyze the non-local transport properties of a d-wave superconductor coupled to metallic electrodes at nanoscale distances. We show that the non-local conductance exhibits an algebraical decay with distance rather than the exponential…

超导电性 · 物理学 2009-01-30 William J. Herrera , A. Levy Yeyati , A. Martin-Rodero

Employing quasiclassical theory of superconductivity combined with Keldysh technique we investigate large thermoelectric effect in multiterminal ballistic normal-superconducting (NS) hybrid structures. We argue that this effect is caused by…

超导电性 · 物理学 2017-02-01 Mikhail S. Kalenkov , Andrei D. Zaikin

We present a numerical model of local and nonlocal transport properties in a lateral spin valve structure consisting of two magnetic electrodes in contact with a third perpendicular superconducting electrode. By considering the transport…

介观与纳米尺度物理 · 物理学 2015-06-04 James Luke Webb , Bryan Hickey , Gavin Burnell

We formulate a quantitative theory of non-local electron transport in three-terminal disordered ferromagnet-superconductor-ferromagnet structures. We demonstrate that magnetic effects have different implications: While strong exchange field…

超导电性 · 物理学 2010-07-29 Mikhail S. Kalenkov , Andrei D. Zaikin

We study the transport properties of a hybrid nanostructure composed of a ferromagnet, two quantum dots, and a superconductor connected in series. By using the non-equilibrium Green's function approach, we have calculated the electric…

介观与纳米尺度物理 · 物理学 2015-05-14 E. C. Siqueira , G. G. Cabrera

Non-equilibrium transport in hybrid semiconductor-superconductor nanowires is crucial for many quantum phenomena such as generating entangled states via cross Andreev reflection (CAR) processes, detecting topological superconductivity,…

介观与纳米尺度物理 · 物理学 2024-09-11 Paweł Szumniak , Daniel Loss , Jelena Klinovaja

We present exact analytical results for the differential conductance of a finite Kitaev chain in an N-S-N configuration, where the topological superconductor is contacted on both sides with normal leads. Our results are obtained with the…

介观与纳米尺度物理 · 物理学 2021-05-05 Nico Leumer , Magdalena Marganska , Bhaskaran Muralidharan , Milena Grifoni

The Andreev Reflection is the key mechanism for the superconducting proximity effect. It provides phase correlations in a system of non-interacting electrons at mesoscopic scales, i.e. over distances much larger than the microscopic lengths…

介观与纳米尺度物理 · 物理学 2007-05-23 B. Pannetier , H. Courtois

We calculate electronic energy transport in inhomogeneous superconductors using a fully self-consistent non-equilibrium quasiclassical Keldysh approach. We develop a general theory and apply it a superconductor with an order parameter that…

超导电性 · 物理学 2016-08-10 Caroline Richard , Anton B. Vorontsov

In the "ballistic" regime, the transport across a normal metal (N)/superconductor (S) point-contact is dominated by a quantum process called Andreev reflection. Andreev reflection causes an enhancement of the conductance below the…

超导电性 · 物理学 2021-10-04 Ritesh Kumar , Goutam Sheet

We study thermal and charge transport in a three-terminal setup consisting of one superconducting and two ferromagnetic contacts. We predict that the simultaneous presence of spin filtering and of spin- dependent scattering phase shifts at…

介观与纳米尺度物理 · 物理学 2013-01-30 P. Machon , M. Eschrig , W. Belzig