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We report on a tunable Josephson junction formed by a bilayer graphene ribbon encapsulated in WSe$_2$ with superconducting niobium contacts. We characterize the junction by measurements of the magnetic field induced interference pattern,…

We investigate the Josephson diode effect (JDE) within quasi-2D planar systems featuring the $C_{1v}$ spin-orbit coupling (SOC) and Zeeman fields in the normal region. Our analysis is based on experimental observations conducted on…

Superconductivity · Physics 2024-08-29 Gongqi Wang , Jianjian Miao , Wei-Qiang Chen

It is shown that Josephson coupling in SFS junction due to electron-magnon interaction remains at a distance, when the usual proximity effect decreases exponentially. We obtain expression for the Josephson energy, which contain the…

Superconductivity · Physics 2012-07-26 A. Yu. Zyuzin

We theoretically investigate Josephson junctions comprising superconductors and ferromagnets on the surface of three-dimensional topological insulators. We use Bogoliubov-deGennes formalism and show the in-plane magnetization creates a…

Superconductivity · Physics 2025-03-11 Morteza Salehi

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 report on phenomena observed in planar integrated networks obtained connecting superconducting island by Josephson tunnel junctions. These networks, identifiable as tree-like graphs, have branches consisting of series arrays of Josephson…

Superconductivity · Physics 2020-03-24 M. Lucci , D. Cassi , V. Merlo , R. Russo , G. Salina , M. Cirillo

The generation of travelling sine-Gordon breathers is achieved through the nonlinear supratransmission effect in a magnetically driven long Josephson junction, in the presence of losses, a current bias, and a thermal noise source. We…

Mesoscale and Nanoscale Physics · Physics 2023-01-13 Duilio De Santis , Claudio Guarcello , Bernardo Spagnolo , Angelo Carollo , Davide Valenti

The aim of this work is to establish a instability study for stationary kink and antikink/kink profiles solutions for the sine-Gordon equation on a metric graph with a structure represented by a Y-junction so-called a Josephson tricrystal…

Analysis of PDEs · Mathematics 2021-04-21 Jaime Angulo Pava , Ramón G. Plaza

We investigate Josephson and proximity effects on the surface of a topological insulator on which superconductors and a ferromagnet are deposited. The superconducting regions are described by the conventional BCS Hamiltonian, rather than…

Superconductivity · Physics 2015-06-05 Takehito Yokoyama

We theoretically investigate the transport properties of Josephson junctions composed of superconductor/minimally twisted bilayer graphene/superconductor structures. In the presence of an out-of-plane electric field, the low energy physics…

Mesoscale and Nanoscale Physics · Physics 2025-02-18 Ritajit Kundu , Arijit Kundu

We study thermal transport induced by soliton dynamics in a long Josephson tunnel junction operating in the flux-flow regime. A thermal bias across the junction is established by imposing the superconducting electrodes to reside at…

Mesoscale and Nanoscale Physics · Physics 2019-08-29 Claudio Guarcello , Paolo Solinas , Francesco Giazotto , Alessandro Braggio

A long Josephson junction in a constant external magnetic field and in the presence of a dc bias current is investigated. It is shown that the system, simulated by the sine-Gorgon equation, "remembers" a rapidly damping initial perturbation…

Superconductivity · Physics 2007-05-23 K. N. Yugay , N. V. Blinov , I. V. Shirokov

We demonstrate the possibility to build stable Josephson $\pi$-junction stripes with exciton-polariton condensates. The stability of the $\pi$-junction between arbitrary long polariton stripes is achieved at low pumping by balancing the…

Quantum Gases · Physics 2020-05-20 A. Muñoz Mateo , Y. G. Rubo , L. A. Toikka

We study a Josephson junction made with a spin-textured bridge, when both Rashba and Zeeman interactions combine to generate a magneto-electric coupling between the superconducting current and the in-plane magnetic texture in the normal…

Superconductivity · Physics 2014-08-21 François Konschelle

Subgap resonances in the I-V curves of layered superconductors are explained by the coupling between Josephson oscillations and phonons with dispersion in c-direction. In the presence of a magnetic field applied parallel to the layers…

Superconductivity · Physics 2009-10-31 C. Preis , C. Helm , K. Schmalzl , J. Keller , R. Kleiner , P. Mueller

Introduction of spin-orbit coupling (SOC) in a Josephson junction (JJ) gives rise to unusual Josephson effects. We investigate JJs based on a newly discovered heterodimensional superlattice V$_5$S$_8$ with a special form of SOC. The unique…

We report on transport properties of Josephson junctions in hybrid superconducting-topological insulator devices, which show two striking departures from the common Josephson junction behavior: a characteristic energy that scales inversely…

The Josephson diode effect, where the critical current magnitude depends on its direction, arises when both time-reversal and inversion symmetries are broken - often achieved by a combination of spin-orbit interaction and applied magnetic…

Mesoscale and Nanoscale Physics · Physics 2025-02-13 Gerrit Behner , Abdur Rehman Jalil , Detlev Grützmacher , Thomas Schäpers

We present a theoretical study on the dynamical properties of three-dimensional arrays of Josephson junctions. Our results indicate that such superconducting networks represent highly sensitive 3D-SQUIDs having some major advantages in…

Superconductivity · Physics 2009-10-31 J. Oppenlaender , Ch. Haeussler , N. Schopohl

We investigate HgTe/Nb-based three-terminal Josephson junctions in T-shaped and X-shaped geometries and their critical current contours (CCCs). By decomposing the CCCs into the contributions from individual junctions, we uncover how bias…