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Extended Josephson junction driven by dc bias current is studied numerically. Two types of solutions, symmetrical and asymmetrical, are found. The current-voltage characteristic (IVC) is calculated. The symmetrical solutions form main…

Superconductivity · Physics 2014-04-25 Andrey N. Artemov

We investigate non-equilibrium transport through interacting superconducting nanojunctions using a Liouville space approach. The formalism allows us to study finite gap effects, and to account for both quasiparticle and Cooper pair…

Mesoscale and Nanoscale Physics · Physics 2024-10-15 Jordi Picó-Cortés , Gloria Platero , Andrea Donarini , Milena Grifoni

We study the Josephson junction where nonreciprocal critical current was induced by the interplay of the $4\pi$-periodic and $2\pi$-periodic current-phase relation of the junction. We take the model of a topological junction which serves as…

Superconductivity · Physics 2025-04-15 Huarong Zhong , Zhi Wang

We present a theoretical and experimental study of Josephson vortex (fluxon) moving in the presence of spatially homogeneous dc and ac bias currents. By mapping this problem to the problem of calculating the current-voltage characteristic…

Superconductivity · Physics 2009-11-07 M. V. Fistul , E. Goldobin , A. V. Ustinov

The dynamical behavior of a fluxon in a semi-annular long Josephson junction in the presence of an ac-drive is studied. The non-uniformity due to the non uniform distribution of bias current is investigated. The oscillating potential is…

Pattern Formation and Solitons · Physics 2008-06-03 Chitra R N , V C Kuriakose

We consider one-dimensional asymmetric exclusion processes with a simple attractive interaction, where the distance between consecutive particles is not allowed to exceed a certain limit and investigate the consequences of this coupling on…

Disordered Systems and Neural Networks · Physics 2009-11-13 Róbert Juhász

The coupling of the charge carriers passing through a molecule bridging two bulky conductors with local vibrational modes of the molecule, gives rise to distinct features in the electronic transport properties on one hand, and to…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 A. Ueda , Y. Utsumi , Y. Tokura , O. Entin-Wohlman , A. Aharony

We study the dependence of the transport properties of square Josephson Junctions arrays with the direction of the applied dc current, both experimentally and numerically. We present computational simulations of current-voltage curves at…

Superconductivity · Physics 2007-05-23 V. I. Marconi , S. Candia , P. Balenzuela , H. Pastoriza , D. Dominguez , P. Martinoli

We investigate the nonequilibrium current response in diffusive superconductor-normal-metal-superconductor junctions subjected to a low-frequency AC voltage. Using a kinetic description based on the adiabatic motion of Andreev bound states,…

Superconductivity · Physics 2025-12-02 Tony Liu , Alex Levchenko

Transport through a one--dimensional wire of interacting electrons connected to semi--infinite leads is investigated using a bosonization approach. An incident electron is transmitted as a sequence of partial charges. The dc conductance is…

Condensed Matter · Physics 2009-10-28 I. Safi , H. J. Schulz

We present simultaneous measurements of Josephson inductance and DC transport characteristics of ballistic Josephson junctions based upon an epitaxial Al-InAs heterostructure. The Josephson inductance at finite current bias directly reveals…

We study a multi-terminal Josephson junction consisting of a central spin-orbit-coupled (SOC) region with an in-plane Zeeman field connected to four superconducting terminals. This setup allows for the simultaneous measurement of both…

Superconductivity · Physics 2025-07-29 Bijay Kumar Sahoo , Abhiram Soori

Negative differential conductance (NDC) is expected to be an essential property to realize fast switching in future electronic devices. We here present a thorough analysis on electron transportability of a simple atomic-scale model…

Materials Science · Physics 2009-11-07 Shigeru Tsukamoto , Masakazu Aono , Kikuji Hirose

We study voltage-biased superconducting planar d-wave junctions for arbitrary transmission and arbitrary orientation of the order parameters of the superconductors. For a certain orientation of the superconductors the odd ac components…

Superconductivity · Physics 2009-10-30 Tomas Lofwander , Goran Johansson , Magnus Hurd , Goran Wendin

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 obtain stationary transport in a Hamiltonian system with ac driving in the presence of a dc bias. A particle in a periodic potential under the influence of a time-periodic field possesses a mixed phase space with regular and chaotic…

Statistical Mechanics · Physics 2007-05-23 S. Denisov , S. Flach , P. Hanggi

We theoretically investigate the anomalous and diode Josephson effects in planar two-dimensional Josephson junctions with arbitrarily oriented exchange fields in two ferromagnets within the barrier, and spin-orbit coupling at the…

Superconductivity · Physics 2026-05-12 Stevan Djurdjević , Zorica Popović

A deep understanding of the correlation between electronic and mechanical degrees of freedom is crucial to the development of quantum devices in a nanoelectromechanical system (NEMS). In this work, we first establish a fully quantum…

Mesoscale and Nanoscale Physics · Physics 2025-05-14 Chengjie Wu , Yi Ding , Yiying Yan , Yuguo Su , Elijah Omollo Ayieta , Slobodan Radošević , Georg Engelhardt , Gernot Schaller , JunYan Luo

Absolute negative mobility is one of the most paradoxical forms of anomalous transport behaviour. At the first glance it contradicts the superposition principle and the second law of thermodynamics, however, its fascinating nature bridges…

Statistical Mechanics · Physics 2022-07-06 Mateusz Wiśniewski , Jakub Spiechowicz

Transport through a one-dimensional wire of interacting electrons connected to semi infinite leads is investigated using a bosonization approach. The dynamic nonlocal conductivity is rigorously expressed in terms of the transmission. For…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 Inès Safi , H. J. Schulz