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Crossed Andreev reflection (CAR) is a nonlocal transport phenomenon that creates/detects Cooper-pair correlations between distant places. It is also the basis of Cooper-pair splitting to generate remote entanglement. Although CAR has been…

Mesoscale and Nanoscale Physics · Physics 2025-08-21 Junya Feng , Henry F. Legg , Mahasweta Bagchi , Daniel Loss , Jelena Klinovaja , Yoichi Ando

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…

Mesoscale and Nanoscale Physics · Physics 2017-10-18 SK Firoz Islam , Paramita Dutta , Arijit Saha

We report tunable crossed Andreev reflection (CAR) in a superconductor sandwiched between two antiferromagnetic layers. We consider recent examples of two-dimensional magnets with hexagonal lattices, where gate voltages control the carrier…

Superconductivity · Physics 2021-07-02 Martin F. Jakobsen , Arne Brataas , Alireza Qaiumzadeh

Crossed Andreev reflection (CAR) is a fundamental quantum transport phenomenon that holds significant implications for spintronics and superconducting devices. However, its experimental detection and enhancement remain challenging.…

Mesoscale and Nanoscale Physics · Physics 2025-04-18 Abhiram Soori

Crossed Andreev reflection (CAR) is considered to probe the non-locality of the Majorana quasiparticles in topological superconductors. We propose here to study the CAR in multiband one-dimensional (1D) topological superconductors which may…

Strongly Correlated Electrons · Physics 2015-11-30 Yi-Ming Wu , Xiong-Jun Liu

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

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…

Mesoscale and Nanoscale Physics · Physics 2026-05-18 Polireddi Naveen , Abhiram Soori

Using a generalized wave matching method we solve the full scattering problem for quantum spin Hall insulator (QSHI) - superconductor (SC) - QSHI junctions. We find that for systems narrow enough so that the bulk states in the SC part…

Mesoscale and Nanoscale Physics · Physics 2013-06-03 R. W. Reinthaler , P. Recher , E. M. Hankiewicz

Crossed Andreev reflection (CAR) is an intriguing effect that occurs in a normal-superconductor-normal junction. In CAR, an incoming electron from one terminal is coherently scattered as an outgoing hole into the other terminal. Here, we…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 Ying Liu , Zhi-Ming Yu , Jie Liu , Hua Jiang , Shengyuan A. Yang

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…

Mesoscale and Nanoscale Physics · Physics 2022-07-18 Abhiram Soori

Crossed Andreev reflection (CAR) is a process that creates entanglement between spatially separated electrons and holes. Such entangled pairs have potential applications in quantum information processing, and it is therefore relevant to…

Mesoscale and Nanoscale Physics · Physics 2024-12-06 Johanne Bratland Tjernshaugen , Morten Amundsen , Jacob Linder

Non-local pairing processes at the edge of a two-dimensional topological insulator in proximity to an $s$-wave superconductor are usually suppressed by helicity. However, additional proximity of a ferromagnetic insulator can substantially…

Mesoscale and Nanoscale Physics · Physics 2016-03-24 François Crépin , Pablo Burset , Björn Trauzettel

We show experimentally that in nanometer scaled superconductor/normal metal hybrid devices and in a small window of contact resistances, crossed Andreev reflection (CAR) can dominate the nonlocal transport for all energies below the…

Mesoscale and Nanoscale Physics · Physics 2009-08-24 A. Kleine , A. Baumgartner , J. Trbovic , C. Schönenberger

Crossed Andreev reflection (CAR) is a scattering phenomenon occurring in a superconductor (SC) connected to two metallic leads, where an incident electron on one side of the SC emerges on the opposite side as a hole. Despite its…

Mesoscale and Nanoscale Physics · Physics 2024-06-21 Sachchidanand Das , Abhiram Soori

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

The formation of a topological superconducting phase in a quantum-dot-based Kitaev chain requires nearest neighbor crossed Andreev reflection and elastic co-tunneling. Here we report on a hybrid InSb nanowire in a three-site Kitaev chain…

Perfect crossed Andreev reflection (CAR) is striking for high-efficiency Cooper pair splitting which bears promising applications in quantum communication. Recent experimental advances have disclosed the way to explore CAR in Dirac fermion…

Mesoscale and Nanoscale Physics · Physics 2021-07-26 Song-Bo Zhang , Björn Trauzettel

Crossed Andreev reflection (CAR) in metallic nanostructures, a possible basis for solid-state electron entangler devices, is usually investigated by detecting non-local voltages in multi-terminal superconductor/normal metal devices. This…

Mesoscale and Nanoscale Physics · Physics 2010-07-19 A. Kleine , A. Baumgartner , J. Trbovic , D. S. Golubev , A. D. Zaikin , C. Schoenenberger

We construct high-quality graphene-based van der Waals devices with narrow superconducting niobium nitride (NbN) electrodes, in which superconductivity and robust fqH coexist. We find crossed Andreev reflection (CAR) across the…

With the aid of the quasiclassical Eilenberger formalism we develop a theory of non-local electron transport across three-terminal ballistic normal-superconducting-normal (NSN) devices with spin-active NS interfaces. The phenomenon of…

Superconductivity · Physics 2010-01-21 Mikhail S. Kalenkov , Andrei D. Zaikin
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