Fluxon dynamics in the curved Josephson junction
Journal Title: Journal of Achievements in Materials and Manufacturing Engineering - Year 2017, Vol 1, Issue 82
Abstract
Purpose: The purpose of this report is to present the similarities and differences between modified sine-Gordon models used in description of the curved Josephson junctions. The leading dynamical variable in this system is a gauge invariant phase difference of the macroscopic wave functions of the superconducting electrodes that form the junction. Findings: The main finding of this article is the observation that in the model used in description of junctions with quickly varying curvatures the significant part of the kink energy is confined in the curved regions of the junction. Research limitations/implications: The paper is limited to the description of the dynamics of fluxions in the long Josephson junctions. These junctions due to small transverse sizes (smaller than the Josephson penetration depth) can be considered as a one dimensional systems. Practical implications: It seems that junctions with appropriate geometry will find applications in future electronic devices. It is expected that curved Josephson junctions can be used in order to store a binary data. Originality/value: The main idea of the paper is to use a Riemann geometry in order to describe the influence of the curvature on the kink motion in the junction.
Authors and Affiliations
A. Jarmoliński, T. Dobrowolski
Study on homogeneity and repeatability of single-piece flow carburizing system
Purpose: The purpose of this paper was to determine the homogeneity and replicability of carburized layers obtained by a continuous single-piece flow method. Design/methodology/approach: A series of 100 gears was carburi...
Analysis of integrated management system of the quality, environment and occupational safety
Purpose: In this article the analysis of integrated management system of quality,environment and occupational health and safety was presented. The functioning of suchsystem on the selected enterprise was discussed.Design...
Morphological, chemical and structural characterization of silica-containing polyvinylpyrrolidone electrospun nanofibers prepared by sol-gel technique
Purpose: The aim of this study was to produce poly(vinylpyrrolidone) (PVP) containingsilica nanofibers using electrospinning method from 10% PVP/EtOH solutions with differentmass concentration 0 and 30% of tetraethoxysil...
Surface morphology of wheels in rail vehicles in urban transport
Purpose: The general purpose of presented research was evaluation of surface morphology of chosen tram wheels: LUCCHINI (of Siemens Combino tram), PST (of Moderus Beta tram), and GT no 1 (of Duewag tram) operating in Poz...
Improving crack resistivity in Al alloy pressure vessels by FSW
Purpose: Fuel or oil transmission pipelines are made with light metal alloys to preventcorrosion and to provide a better safety record. This is achieved by the combinationof perfect design, selection of materials and fun...