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In a Josephson junction, which is the central element in superconducting quantum technology, irreversibility arises from abrupt slips of the gauge-invariant quantum phase difference across the contact. A quantum phase slip (QPS) is often…

Mesoscale and Nanoscale Physics · Physics 2023-04-19 E. Gümüş , D. Majidi , D. Nikolić , P. Raif , B. Karimi , J. T. Peltonen , E. Scheer , J. P. Pekola , H. Courtois , W. Belzig , C. B. Winkelmann

This article reviews recent advances in low-temperature electronic thermal transport properties of thermally biased superconductor heterostructures focusing on the two-terminal transport. Since the last decade, ferromagnetism has been…

Superconductivity · Physics 2025-04-01 Paramita Dutta

The superconductor-to-insulator quantum phase transition in resistively shunted Josephson junctions is investigated by means of path-integral Monte Carlo simulations. This numerical technique allows us to directly access the (previously…

Superconductivity · Physics 2009-11-07 Carlos P. Herrero , Andrei D. Zaikin

Tunnel junction between two superconductors is considered in the vicinity of the critical temperature. Superconductive fluctuations above Tc give rise to the noise of the ac Josephson current although the current itself is zero in average.…

Superconductivity · Physics 2009-11-13 Alex Levchenko

Motivated by the recent proposals for unconventional emergent physics in twisted bilayers of nodal superconductors, we study the peculiarities of the Josephson effect at the twisted interface between $d$-wave superconductors. We demonstrate…

Superconductivity · Physics 2025-01-31 Pavel A. Volkov , Shu Yang Frank Zhao , Nicola Poccia , Xiaomeng Cui , Philip Kim , J. H. Pixley

Since the discovery of the unconventional copper-oxide high-transition-temperature superconductors (HTS), researchers have explored many methods to fabricate superconducting tunnel junctions from these materials for both superconducting…

Superconductivity · Physics 2014-09-18 Shane A. Cybart , E. Y. Cho , T. J. Wong , Björn H. Wehlin , Meng K. Ma , Chuong Huynh , R. C. Dynes

Topological features of low dimensional superconductors have caused a lot of excitement recently because of their broad range of applications in quantum information and their potential to reveal novel phases of quantum matter. A potential…

Superconductivity · Physics 2015-06-18 Paul Matthews , Pedro Ribeiro , Antonio M. García-García

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

We study the Josephson effect in ballistic double-barrier SIFIS planar junctions, consisting of bulk superconductors (S), a clean metallic ferromagnet (F), and insulating interfaces (I). We solve the scattering problem based on the…

Superconductivity · Physics 2009-11-10 Z. Radovic , N. Lazarides , N. Flytzanis

We present a theory for quasiparticle heat transport through superconducting weak links. The thermal conductance depends on the phase difference ($\phi$) of the superconducting leads. Branch conversion processes, low-energy Andreev bound…

Superconductivity · Physics 2007-05-23 Erhai Zhao , Tomas Lofwander , J. A. Sauls

A superconductor-normal metal-superconductor mesoscopic Josephson junction has been realized in which the critical current is tuned through normal current injection using a symmetric electron cooler directly connected to the weak link. Both…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. M. Savin , J. P. Pekola , J. T. Flyktman , A. Anthore , F. Giazotto

In this study, we explore the Josephson current-phase relation within a planar diffuse tunneling superconducting multilayer junction subjected to a parallel magnetic field. Our investigation involves computing the supercurrent associated…

Superconductivity · Physics 2024-06-19 A. S. Osin , Alex Levchenko , Maxim Khodas

We have observed a dissipative phase diffusion branch in arrays of hysteretic high-Tc intrinsic Josephson junctions. By comparing the data with a thermal activation model we extract the impedance seen by the junction in which phase…

Superconductivity · Physics 2009-11-10 P. A. Warburton , A. R. Kuzhakhmetov , G. Burnell , M. G. Blamire , H. Schneidewind

We study the thermodynamic properties of a dirty ferromagnetic S$\mid$F$\mid$S Josephson junction with s-wave superconducting leads in the low-temperature regime. We employ a full numerical solution with a set of realistic parameters and…

Superconductivity · Physics 2015-05-14 Mohammad Alidoust , Jacob Linder , Gholamreza Rashedi , Asle Sudbø

Thermoelectric effects result from the coupling of charge and heat transport, and can be used for thermometry, cooling and harvesting of thermal energy. The microscopic origin of thermoelectric effects is a broken electron-hole symmetry,…

Superconductivity · Physics 2016-04-08 S. Kolenda , P. Machon , D. Beckmann , W. Belzig

The fluxonium qubit has arisen as one of the most promising candidate devices for implementing quantum information in superconducting devices, since it is both insensitive to charge noise (like flux qubits) and insensitive to flux noise…

Mesoscale and Nanoscale Physics · Physics 2015-07-20 Samuele Spilla , Fabian Hassler , Anna Napoli , Janine Splettstoesser

Since the the first studies of thermodynamics, heat transport has been a crucial element for the understanding of any thermal system. Quantum mechanics has introduced new appealing ingredients for the manipulation of heat currents, such as…

Superconductivity · Physics 2018-03-19 Giuliano Timossi , Antonio Fornieri , Federico Paolucci , Claudio Puglia , Francesco Giazotto

In many cases inhomogeneities are known to exist near the metal (or superconductor)- insulator transition, as follows from well-known domain-wall arguments. If the conducting regions are large enough, and if they have superconducting…

Superconductivity · Physics 2007-05-23 Jiufeng Tu , M. Strongin , Y. Imry

We study the effect of the interfacial transparency on the Josephson current in a diffusive ferromagnetic contact between two superconductors. In contrast to the cases of the fully transparent and the low-transparency interfaces, the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 G. Mohammadkhani , M. Zareyan

We show that a constriction-type Josephson junction realized by an epitactic thin film of a d-wave superconductor with an appropriate boundary geometry exhibits intrinsic phase differences between 0 and pi depending on geometric parameters…

Superconductivity · Physics 2009-11-13 A. Gumann , N. Schopohl
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