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The dynamical vortex response of a two-dimensional array of the resistively shunted Josephson junctions in a perpendicular magnetic field is inferred from simulations. It is found that, as the magnetic field is increased at a fixed…

Superconductivity · Physics 2007-05-23 Beom Jun Kim , Petter Minnhagen

We study the equilibrium dc Josephson current in a junction between an $s$-wave and a topological superconductor. Cooper pairs from the $s$-wave superconducting lead can transfer to the topological side either via an unpaired Majorana zero…

Mesoscale and Nanoscale Physics · Physics 2021-02-09 Chun-Xiao Liu , Bernard van Heck , Michael Wimmer

The Josephson current in a diffusive superconductor/ferromagnet/superconductor junction with precessing magnetization is calculated within the quasiclassical theory of superconductivity. When the junction is phase-biased, a stationary…

Superconductivity · Physics 2015-03-31 M. Houzet

An appearance of a direct current perpendicularly to a constant component of an electric field in material with Rashba Hamiltonian under the influence of an elliptically polarized wave is investigated in one-subband approximation. On its…

Mesoscale and Nanoscale Physics · Physics 2014-07-07 V. I. Konchenkov , S. V. Kryuchkov , D. V. Zav'yalov

We investigate the Josephson effect between two coupled superconductors, coupled by the tunneling of pairs of electrons, in the regime that their energy level spacing is comparable to the bulk superconducting gap, but neglecting any…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Dominique Gobert , Ulrich Schollwock , Jan von Delft

Current flow in electronic devices can be asymmetric with bias direction, a phenomenon underlying the utility of diodes and known as non-reciprocal charge transport. The promise of dissipationless electronics has recently stimulated the…

We show that transport through a superconducting quantum point contact biased at subgap voltages is strongly affected by a microwave field. The subgap current is increased by several orders of magnitude. Quantum interference among resonant…

Superconductivity · Physics 2007-05-23 N. I. Lundin , L. Y. Gorelik , R. I. Shekhter , V. S. Shumeiko , M. Jonson

We study charge transport in voltage-biased single-channel junctions involving helical superconductors with finite Cooper pair momentum. For a Josephson junction, the equilibrium current-phase relation shows a superconducting diode effect:…

Superconductivity · Physics 2024-07-08 A. Zazunov , J. Rech , T. Jonckheere , B. Grémaud , T. Martin , R. Egger

We identify the different contributions to quantum interference in a mesoscopic metallic loop in contact with two superconducting electrodes. At low temperature, a flux-modulated Josephson coupling is observed with strong damping over the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 H. Courtois , Ph. Gandit , D. Mailly , B. Pannetier

We present a detailed study of nonequilibrium Josephson currents and conductance in ballistic multiterminal SNS-devices. Nonequilibrium is created by means of quasiparticle injection from a normal reservoir connected to the normal part of…

Superconductivity · Physics 2009-10-31 P. Samuelsson , J. Lantz , V. S. Shumeiko , G. Wendin

Experimental observation of the unidirectional motion of a topological soliton driven by a bi-harmonic ac force of zero mean is reported. The observation is made by measuring the current-voltage characteristics for a fluxon trapped in an…

Superconductivity · Physics 2009-11-10 A. V. Ustinov , C. Coqui , A. Kemp , Y. Zolotaryuk , M. Salerno

We study the Josephson effect in clean heterojunctions that consist of superconductors connected through two metallic ferromagnets with insulating interfaces. We solve the scattering problem based on the Bogoliubov--de Gennes equation for…

Superconductivity · Physics 2009-11-11 Z. Pajovic , M. Bozovic , Z. Radovic , J. Cayssol , A. Buzdin

We study a magnetization reversal by an electric current pulse in a superconductor/insulating ferromagnet/superconductor Josephson junction placed on top of a 3D topological insulator. It is demonstrated that such a system is perspective…

Superconductivity · Physics 2020-10-21 I. V. Bobkova , A. M. Bobkov , I. R. Rahmonov , A. A. Mazanik , K. Sengupta , Yu. M. Shukrinov

In order to clear up a question on possibility of a dc voltage proportional to the persistent current in normal metal and semiconductor mesoscopic loops conjectural causes of this phenomenon observed in superconductor loops is investigated.

Superconductivity · Physics 2007-07-06 S. V. Dubonos , V. L. Gurtovoi , A. V. Nikulov , V. A. Tulin

In this paper, the nonlocal mixing of coherent current states in d-wave superconducting banks is investigated. The superconducting banks are connected via a ballistic point contact. The banks have a mis-orientation and a phase difference.…

Superconductivity · Physics 2009-10-02 Gholamreza Rashedi

The treatment of the previous paper is extended to molecular wires. Specifically, the effect of electron-vibrational interactions on the electronic transport induced by femtosecond $\omega+2\omega$ laser fields along unbiased molecular…

Quantum Physics · Physics 2009-11-13 Ignacio Franco , Moshe Shapiro , Paul Brumer

We calculate the Josephson current in a diffusive superconductor/ferromagnet/superconductor junction, where the ferromagnetic region contains multiple layers (or domains). In particular, we study a configuration where there are two layers…

Superconductivity · Physics 2009-11-13 Iver B. Sperstad , Jacob Linder , Asle Sudbø

We investigate ac Josephson effect in the resonant tunneling through mesoscopic superconducting junctions. In the presence of microwave irradiation, we show that the trajectory of multiple Andreev reflections can be closed by emitting or…

Mesoscale and Nanoscale Physics · Physics 2010-08-03 Yu Zhu , Qing-feng Sun , Wei Li , Zhong-shui Ma , Tsung-han Lin

We undertake an in-depth analysis of the magneto-transport properties in mesoscopic single-channel rings and multi-channel cylinders within a tight-binding formalism. The main focus of this review is to illustrate how the long standing…

Mesoscale and Nanoscale Physics · Physics 2012-06-21 Santanu K. Maiti

Driven atomic Josephson junctions allow one to monitor phase-coherent dynamics with unprecedented control and flexibility of the system's physical conditions. While cold-atom manifestations of the Josephson effect have been extensively…

Quantum Gases · Physics 2026-04-28 Kevin T. Geier , Giampiero Marchegiani , Vijay Pal Singh , Juan Polo , Luigi Amico
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