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The interplay between superconductivity and ferromagnetism has long been pursued as a route to unconventional Josephson effects, yet suitable material platforms remain limited. Here we report Josephson junctions based on epitaxial…

The combination of an ordinary s-type superconductor with three-dimensional topological insulators creates a promising platform for fault-tolerant topological quantum computing circuits based on Majorana braiding. The backbone of the…

Mesoscale and Nanoscale Physics · Physics 2024-10-28 Gerrit Behner , Abdur Rehman Jalil , Alina Rupp , Hans Lüth , Detlev Grützmacher , Thomas Schäpers

We study the thermodynamic properties of a dirty ferromagnetic S$\mid$F$\mid$S Josephson junction with s-wave superconducting leads in the low-temperature regime. We employ a full numerical solution with a set of realistic parameters and…

Superconductivity · Physics 2015-05-14 Mohammad Alidoust , Jacob Linder , Gholamreza Rashedi , Asle Sudbø

Josephson junctions have broad applications in metrology, quantum information processing, and remote sensing. For these applications, the electronic noise is a limiting factor. In this work we study the thermal noise in narrow Josephson…

Superconductivity · Physics 2021-09-29 Dushko Kuzmanovski , Rubén Seoane Souto , Alexander V. Balatsky

We study the Josephson current, I_J, in a junction consisting of two s-wave superconductors that are separated by a ferromagnetic barrier possessing a magnetic and non-magnetic scattering potential, g and Z, respectively. We discuss the…

Superconductivity · Physics 2009-05-12 Boris Kastening , Dirk K. Morr , Lambert Alff , Karl Bennemann

We study the Josephson effect in a superconductor--ferromagnet--superconductor (SFS) junction with ferromagnetic domains of non-collinear magnetization. As a model for our study we consider a diffusive junction with two ferromagnetic…

Superconductivity · Physics 2007-05-23 B. Crouzy , S. Tollis , D. A. Ivanov

We demonstrate that thermoelectric signal as well as dc Josephson current may be severely enhanced in multi-terminal superconducting hybrid nanostructures exposed to a temperature gradient. At temperatures $T$ strongly exceeding the…

Mesoscale and Nanoscale Physics · Physics 2020-05-13 Mikhail S. Kalenkov , Pavel E. Dolgirev , Andrei D. Zaikin

We study the Josephson effect through a one-dimensional system of interacting electrons, connected to two superconductors by tunnel junctions. The interactions are treated in the framework of the one-channel Luttinger model. At zero…

Condensed Matter · Physics 2009-10-22 Rosario Fazio , F. W. J. Hekking , A. A. Odintsov

We propose a new type of Josephson junction formed by two superconductors close to the superconductor-Mott-insulator transition, one of which is doped with holes and the other is doped with electrons. A self-organized Mott-insulating…

Strongly Correlated Electrons · Physics 2007-08-23 Jiangping Hu , Congjun Wu , Xi Dai

We show that a finite Josephson Junction (JJ) chain, ending with two bulk superconductors, and with a weak link at its center, may be regarded as a condensed matter realization of a two-boundary Sine-Gordon model. Computing the partition…

Superconductivity · Physics 2009-11-11 Domenico Giuliano , Pasquale Sodano

Josephson junctions with iron pnictides open the way for fundamental experiments on superconductivity in these materials and their application in superconducting devices. Here, we present hybrid Josephson junctions with a…

Superconductivity · Physics 2010-11-10 S. Schmidt , S. Döring , F. Schmidl , V. Grosse , P. Seidel , K. Iida , F. Kurth , S. Haindl , I. Mönch , B. Holzapfel

In this work, we briefly overview various options for Josephson junctions which should be scalable down to nanometer range for utilization in nanoscale digital superconducting technology. Such junctions should possess high values of…

Despite metals are believed to be insensitive to field-effect and conventional Bardeen-Cooper-Schrieffer (BCS) theories predict the electric field to be ineffective on conventional superconductors, a number of gating experiments showed the…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Federico Paolucci , Giorgio De Simoni , Paolo Solinas , Elia Strambini , Claudio Puglia , Nadia Ligato , Francesco Giazotto

Inspired by recent interest in quantum computing and recent studies of cryo CMOS for control electronics, this paper presents a hybrid semiconductor-superconductor approach for engineering scalable computing systems that operate across the…

Quantum Physics · Physics 2019-12-30 Erik P. DeBenedictis

The superconducting diode effect has garnered significant interest due to its prospective applications in cryogenic electronics and computing, enabling directional supercurrent transport. This phenomenon has been demonstrated across various…

Superconductivity · Physics 2025-09-19 L. Borgongino , R. Seoane Souto , A. Paghi , G. Senesi , K. Skibinska , L. Sorba , E. Riccardi , F. Giazotto , E. Strambini

Junctionless Nanowire Field-Effect Transistors (JNFETs), where the channel region is uniformly doped without the need for source-channel and drain-channel junctions or lateral doping abruptness, are considered an attractive alternative to…

Emerging Technologies · Computer Science 2014-04-02 Mostafizur Rahman , Pritish Narayanan , Csaba Andras Moritz

Scaling superconducting quantum processors to large qubit counts faces challenges in control signal delivery, thermal management, and hardware complexity, particularly in achieving microwave signal multiplexing and long-distance quantum…

Quantum Physics · Physics 2025-09-30 Mustafa Bakr

Josephson junctions enable dissipation-less electrical current through metals and insulators below a critical current. Despite being central to quantum technology based on superconducting quantum bits and fundamental research into…

The superconductor/ferromagnet/superconductor (S/F/S) Josephson junctions (JJs) with an anomalous ground state phase shift $\varphi_0 \neq 0,\pi$ ($\varphi_0$-S/F/S JJs) enable the implementation of the zero-field Josephson diode effect…

Superconductivity · Physics 2026-05-13 G. A. Bobkov , I. A. Shvets , I. V. Bobkova , A. M. Bobkov , S. V. Eremeev , E. V. Chulkov

The Josephson effect describes supercurrent flowing through a junction connecting two superconducting leads by a thin barrier [1]. This current is driven by a superconducting phase difference $\phi$ between the leads. In the presence of…

Mesoscale and Nanoscale Physics · Physics 2017-07-28 D. B. Szombati , S. Nadj-Perge , D. Car , S. R. Plissard , E. P. A. M. Bakkers , L. P. Kouwenhoven