English
Related papers

Related papers: Current distribution and transition width in super…

200 papers

Exact analytic results for single level current and curvature distribution functions are derived in a framework of a $2\times 2$ random matrix model. Current and curvature are defined as the first and second derivatives of energy with…

Condensed Matter · Physics 2009-10-22 Alex Kamenev , Daniel Braun

We devise a scheme to characterize tunneling of an excess electron shared by a pair of tunnel-coupled dangling bonds on a silicon surface -- effectively a two-level system. Theoretical estimates show that the tunneling should be highly…

Mesoscale and Nanoscale Physics · Physics 2014-02-05 Zahra Shaterzadeh-Yazdi , Lucian Livadaru , Marco Taucer , Josh Mutus , Jason Pitters , Robert A. Wolkow , Barry C. Sanders

Superconducting systems may display different types of nonequilibrium states depending on the specific constraints imposed for measurement. We probe current-voltage relations of three-dimensional superconducting films by allowing finite…

Superconductivity · Physics 2026-01-27 Shamashis Sengupta

Levy distributions are involved in many physical phenomenon. The purpose of our study is to understand metal insulator transitions in composite systems using the above distributions. The exact method (EM) based on the calculation of…

Disordered Systems and Neural Networks · Physics 2013-04-17 Mohamed Mokhtari , Lotfi Zekri

The behavior of a long Josephson tunnel junction drastically depends on the distribution of the dc bias current. We investigate the case in which the bias current is fed in the central point of a one-dimensional junction. Such junction…

Superconductivity · Physics 2011-01-11 R. Monaco , J. Mygind , V. P. Koshelets , P. Dmitriev

The state-of-the-art technology of X-ray microcalorimeters based on superconducting transition edge sensors (TESs), for applications in astrophysics and particle physics, is reviewed. We will show the advance in understanding the detector…

Instrumentation and Methods for Astrophysics · Physics 2022-10-14 Luciano Gottardi , Kenichiro Nagayoshi

We investigate the dependence of the switching current density on the exchange stiffness constant in the spin transfer torque magnetic tunneling junction structure with micromagnetic simulations. Since the widely accepted analytic…

Materials Science · Physics 2015-06-05 Chun-Yeol You

Metal oxide resistive switches are increasingly important as possible artificial synapses in next generation neuromorphic networks. Nevertheless, there is still no codified set of tools for studying properties of the devices. To this end,…

We report on the switching current distributions in nano-hybrid Josephson junctions made of InAs semiconductor nanowires. Temperature dependence of the switching current distribution can be understood by motion of Josephson phase particle…

Superconductivity · Physics 2017-01-17 Bum-Kyu Kim , Yong-Joo Doh

We analyze the transport properties of a semiconductor based bilayer system under non-equilibrium conditions with special emphasis on the charge transfer statistics in the regime dominated by the exciton transport. We consider two different…

Mesoscale and Nanoscale Physics · Physics 2013-08-06 H. Soller , A. Komnik

The critical state in a superconducting thin circular disk with an arbitrary magnetic field dependence of the critical sheet current, Jc(B), is analyzed. With an applied field Ba perpendicular to the disk, a set of coupled integral…

Superconductivity · Physics 2009-10-31 D. V. Shantsev , Y. M. Galperin , T. H. Johansen

In noncentrosymmetric superconductors, superconducting and normal conductions can interchange based on the current flow direction. This effect is termed a superconducting diode effect (SDE), which is a focal point of recent research. The…

Understanding the microscopic origin of the gate-controlled supercurrent (GCS) in superconducting nanobridges is crucial for engineering superconducting switches suitable for a variety of electronic applications. The origin of GCS is…

The local nonequilibrium quasiparticle distribution function in a normal-metal wire depends on the applied voltage over the wire and the type and strength of different scattering mechanisms. We show that in a setup with superconducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Tero T. Heikkila , Tommy Vanska , Frank K. Wilhelm

Transition edge sensors (TES) have the highest reported efficiencies (>98%) for detection of single photons in the visible and near infrared. Experiments in quantum information and foundations of physics that rely critically on this…

Microwave frequency domain multiplexing is a suitable technique to read out a large number of detector channels using only a few connecting lines. In the HOLMES experiment this is based on inductively coupled rf-SQUIDs (Superconducting…

Instrumentation and Detectors · Physics 2018-02-28 P. Carniti , L. Cassina , M. Faverzani , E. Ferri , A. Giachero , C. Gotti , M. Maino , A. Nucciotti , G. Pessina , A. Puiu

Tunneling conductance spectroscopy in normal metal-superconductor junctions is an important tool for probing Andreev bound states in mesoscopic superconducting devices, such as Majorana nanowires. In an ideal superconducting device, the…

Mesoscale and Nanoscale Physics · Physics 2021-02-17 André Melo , Chun-Xiao Liu , Piotr Rożek , Tómas Örn Rosdahl , Michael Wimmer

Studies of models of current flow behaviour in Electrical Impedance Tomography (EIT) have shown that the current density distribution varies extremely rapidly near the edge of the electrodes used in the technique. This behaviour imposes…

High Energy Physics - Theory · Physics 2009-10-30 S. Ciulli , S. Ispas , M. K. Pidcock

The Transition-Edge Sensors (TES) is a mature, high-resolution x-ray spectrometer technology that provides a much higher efficiency than dispersive spectrometers such as gratings and crystal spectrometers. As larger arrays are developed,…

Instrumentation and Detectors · Physics 2018-06-08 K. D. Irwin , S. Chaudhuri , H. -M. Cho , C. Dawson , S. Kuenstner , D. Li , C. J. Titus , B. A. Young

This paper uses both experimental and numerical approaches to revisit the concept of current transfer length (CTL) in second-generation high-temperature superconductor coated conductors with a current flow diverter (CFD) architecture. The…

Superconductivity · Physics 2021-08-11 Jean-Hughes Fournier-Lupien , Frédéric Sirois , Christian Lacroix