English
Related papers

Related papers: Crossed Andreev reflection at spin-active interfac…

200 papers

We demonstrate several new electron transport phenomena mediated by Andreev bound states (ABSs) that form on three-terminal carbon nanotube (CNT) QDs, with one superconducting (S) contact in the center and two adjacent normal metal (N)…

Mesoscale and Nanoscale Physics · Physics 2017-11-10 J. Gramich , A. Baumgartner , C. Schönenberger

We theoretically study the superconducting proximity effect in silicene, which features massive Dirac fermions with a tunable mass (band gap), and compute the conductance across a normal/superconductor (N/S) silicene junction, the non-local…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Jacob Linder , Takehito Yokoyama

The comment (arXiv:2505.23490) fails to identify any scientific errors and its central arguments actually support the main conclusions of our publication [Nat. Phys. 21, 708 (2025)]. Firstly, the whole argument of the comment to try to…

Mesoscale and Nanoscale Physics · Physics 2025-09-08 Junya Feng , Henry F. Legg , Mahasweta Bagchi , Daniel Loss , Jelena Klinovaja , Yoichi Ando

Andreev reflection at the interface between a ferromagnet and a superconductor has become a foundation of a versatile new technique of measuring the spin polarization of magnetic materials. In this paper we will briefly outline a general…

Materials Science · Physics 2009-10-31 I. I. Mazin , A. A. Golubov , B. Nadgorny

We describe theoretically the process of multi-beam reflection in a two-dimensional electron system with a lateral potential barrier. Due to spin-orbital interaction, the reflection process leads to the formation of three beams with…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. O. Govorov , A. V. Kalameitsev , J. P. Dulka

Crossed Andreev reflection (cAR) is a scattering process that happens in a quantum transport set-up consisting of two normal metals (NM) attached to a superconductor (SC), where an electron incident from one NM results in a hole emerging in…

Mesoscale and Nanoscale Physics · Physics 2017-04-25 Abhiram Soori , Subroto Mukerjee

We investigate theoretically spin-resolved transport, spin filtering, and nonreciprocal effects in an Altermagnet/Ising superconductor (AM/ISC) junction with a spin-active interface. Using a modified Bogoliubov-de Gennes framework within…

Superconductivity · Physics 2026-05-14 Arindam Boruah , Saumen Acharjee , Prasanta Kumar Saikia

Because the physical interpretation of the spin-polarization of a ferromagnet determined by point-contact Andreev reflection (PCAR) is non-trivial, we have carried out parameter-free calculations of PCAR spectra based upon a…

Materials Science · Physics 2009-11-07 K. Xia , P. J. Kelly , G. E. W. Bauer , I. Turek

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…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 E. C. Siqueira , G. G. Cabrera

We study the crossed Andreev reflection and the nonlocal transport in the proximitized graphene/supercondcutor/proximitized graphene junctions with the pseudospin staggered potential and the intrinsic spin-orbit coupling. The crossed…

Superconductivity · Physics 2023-10-27 Shu-Chang Zhao , Lu Gao , Qiang Cheng , Qing-Feng Sun

We investigate a one--dimensional wire of interacting electrons connected to one--dimensional noninteracting leads in the absence and in the presence of a backscattering potential. The ballistic wire separates the charge and spin parts of…

Strongly Correlated Electrons · Physics 2009-10-31 Inès Safi , H. J. Schulz

Prospect of building spintronic devices in which electron spins store and transport information has attracted strong attention in recent years. Here we present some of our representative theoretical results on three fundamental aspects of…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 S. Das Sarma , Jaroslav Fabian , Xuedong Hu , Igor Zutic

We show theoretically that specular Andreev reflection occurs stably at altermagnet--superconductor interfaces, which is a phenomenon that has previously been predicted only in a limited range of materials, such as Dirac/Weyl materials with…

Superconductivity · Physics 2025-04-09 Yutaro Nagae , Andreas P. Schnyder , Satoshi Ikegaya

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…

Superconductivity · Physics 2021-10-04 Ritesh Kumar , Goutam Sheet

We investigate the Majorana physics and its effect on the electron transport in the non-topological superconductor(NS)-topological superconductor(TS) double junctions of a ring geometry. We find that, depending on the ratio between the…

Mesoscale and Nanoscale Physics · Physics 2014-01-22 Minchul Lee , Heunghwan Khim , Mahn-Soo Choi

We have measured local and non-local conductance of mesoscopic normal-metal/superconductor hybrid structures fabricated by e-beam lithography and shadow evaporation. The sample geometry consists of a superconducting aluminum bar with two…

Mesoscale and Nanoscale Physics · Physics 2010-01-21 J. Brauer , F. Hübler , M. Smetanin , D. Beckmann , H. v. Löhneysen

We present a study of the Andreev reflections in superconductor/ferromagnet nanostructured point contacts. The experimental data are analyzed in the frame of a model with two spin-dependent transmission coefficients for the majority and…

Superconductivity · Physics 2009-11-10 F. Perez-Willard , J. C. Cuevas , C. Suergers , P. Pfundstein , J. Kopu , M. Eschrig , H. v. Loehneysen

The Blonder-Tinkham-Klapwijk model of the Point-Contact Andreev Reflection spectroscopy does not provide an adequate description of experiment in the presence of magnetic field. We demonstrate this using a junction between a niobium tip and…

Superconductivity · Physics 2009-11-10 Y. Miyoshi , Y. Bugoslavsky , L. F. Cohen

In this work, we theoretically study transverse magnetic focusing in a two-dimensional electron gas with strong Rashba spin-orbit interaction when proximitized along its edge with a superconducting contact. The presence of superconducting…

Mesoscale and Nanoscale Physics · Physics 2021-10-05 Lucila Peralta Gavensky , Gonzalo Usaj , C. A. Balseiro

We propose a phenomenological description of electronic transport through a normal metal/superconductor interface of arbitrary transparency, which accounts for the presence of electron-electron interaction in the normal metal. The effect of…

Superconductivity · Physics 2007-05-23 H. T. Man , T. M. Klapwijk , A. F. Morpurgo