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Josephson junctions were photogenerated in underdoped thin films of the YBa$_2$Cu$_3$O$_{6+x}$ family using a near-field scanning optical microscope. The observation of the Josephson effect for separations as large as 100 nm between two…

Superconductivity · Physics 2009-10-31 R. S. Decca , H. D. Drew , E. Osquiguil , B. Maiorov , J. Guimpel

Using Magnetospheric Multiscale (MMS) observations at the Earth's quasi-parallel bow shock we demonstrate that electrons are heated by two different mechanisms: a quasi-adiabatic heating process during magnetic field compression,…

Space Physics · Physics 2020-12-09 Krzysztof Stasiewicz , Bengt Eliasson

A critical value in the product of the anisotropy parameter and the magnetic field is observed in interlayer Josephson-vortex systems by extensive Monte Carlo simulations. Below/above this critical value the thermodynamic phase transition…

Superconductivity · Physics 2009-10-31 Xiao Hu , Masashi Tachiki

A proximity-effect thermometer measures the temperature dependent critical supercurrent in a long superconductor - normal metal - superconductor (SNS) Josephson junction. Typically, the transition from the superconducting to the normal…

Superconductivity · Physics 2010-03-29 M. Meschke , J. T. Peltonen , H. Courtois , J. P. Pekola

Josephson current between two d-wave superconductors is calculated by using a lattice model. Here we consider two types of junctions, $i.e.$, the parallel junction and the mirror-type junction. The maximum Josephson current $(J_{c})$ shows…

Superconductivity · Physics 2009-11-10 S. Shirai , H. Tsuchiura , Y. Asano , Y. Tanaka , J. Inoue , Y. Tanuma , S. Kashiwaya

We measured the microwave response of a HgTe quantum well Josephson junction embedded into an RF SQUID loop which is inductively coupled to a superconducting resonator. The side-contacted devices studied here operate in bulk transport mode,…

We consider a Josephson contact mediated by 1D chiral modes on a surface of a 3D topological insulator with superimposed superconducting and magnetic layers. The system represents an interferometer in which 1D chiral Majorana modes on the…

Superconductivity · Physics 2018-12-06 Dmitriy S. Shapiro , Alexander D. Mirlin , Alexander Shnirman

We report the experimental evidence of the ac Josephson effect in a transition edge sensor (TES) operating in a frequency domain multiplexer and biased by ac voltage at MHz frequencies. The effect is observed by measuring the non-linear…

We investigate the current-phase-relation (CPR) of long diffusive superconductor-normal metal-superconductor (SNS) Josephson junctions in thermodynamic equilibrium and under microwave irradiation. While in equilibrium good agreement with…

Mesoscale and Nanoscale Physics · Physics 2009-02-24 M. Fuechsle , J. Bentner , D. A. Ryndyk , M. Reinwald , W. Wegscheider , C. Strunk

We investigate the thermal transport properties of a temperature-biased Josephson tunnel junction composed of two different superconductors. We show that this simple system can provide a large negative differential thermal conductance…

Mesoscale and Nanoscale Physics · Physics 2016-04-21 Antonio Fornieri , Giuliano Timossi , Riccardo Bosisio , Paolo Solinas , Francesco Giazotto

Theory of non-stationary coherent effects is developed for superconductor-normal-superconductor (SNS) structures with relatively strong normal scattering on S/N interfaces (interface resistance is large compared to intrinsic resistance of N…

Superconductivity · Physics 2015-05-13 K. S. Tikhonov , M. V. Feigel'man

The properties of Josephson junction including a ferromagnetic insulating layer are studied theoretically. The calculated current shows the anomalous dependence on the magnitude of the exchange interaction at the interface. The Josephson…

Superconductivity · Physics 2007-05-23 Masashi Yamashiro , Nobukatsu Yoshida , Yukio Tanaka , Satoshi Kashiwaya

A possible origin of the high-temprature superconductivity in cuprates has been suggested. It is supposed that electron-phonon interaction determines the strong correlation narrowing of the electron band. It provides the conditions for the…

Strongly Correlated Electrons · Physics 2015-06-16 E. E. Zubov

We theoretically investigate the supercurrent flow in a Josephson junction consisting of two spin-split superconductors combined by a normal metal weak link. The normal metal may be driven out of equilibrium, thus modifying the electron and…

Superconductivity · Physics 2025-08-06 Chi Sun , Jacob Linder

The concept of thermophase refers to the appearance of a phase gradient inside a superconductor originating from the presence of an applied temperature bias across it. The resulting supercurrent flow may, in suitable conditions, fully…

Mesoscale and Nanoscale Physics · Physics 2015-02-11 F. Giazotto , T. T. Heikkilä , F. S. Bergeret

The dc Josephson effect is considered from the thermodynamic point of view. Universal thermodynamic equations, relating both bound and continuum contributions to the Josephson current with the normal electron scattering amplitudes are…

Superconductivity · Physics 2016-08-31 A. Krichevsky , M. Schechter , Y. Imry , Y. Levinson

We develop a microscopic model to describe the Josephson dynamics between two superfluid reservoirs of ultracold fermionic atoms which accounts for the dependence of the critical current on both the barrier height and the interaction…

Quantum Gases · Physics 2019-12-04 Matteo Zaccanti , Wilhelm Zwerger

We discuss the Josephson current between two noncentrosymmetric superconductors. The coexistence of superconducting order parameters between spin-singlet $\Delta_{\text{S}}$ and helical p-wave spin-triplet $\Delta_{\text{T}}$ enriches a…

Superconductivity · Physics 2015-05-28 Yasuhiro Asano , Satoshi Yamano

The Josephson effect describes the flow of supercurrent in a weak link, such as a tunnel junction, nanowire, or molecule, between two superconductors. It is the basis for a variety of circuits and devices, with applications ranging from…

Mesoscale and Nanoscale Physics · Physics 2013-07-23 L. Bretheau , Ç. Ö. Girit , Hugues Pothier , D. Esteve , C. Urbina

We have performed the first experiments in a superconductor - normal metal - superconductor single electron transistor in which there is an extra superconducting strip partially overlapping the normal metal island in good metal-to-metal…

Superconductivity · Physics 2009-10-31 A. J. Manninen , R. S. Poikolainen , T. V. Ryynanen , J. P. Pekola