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Related papers: Phase Modulated Thermal Conductance of Josephson W…

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We present a comprehensive study of heat transport through small superconducting point contacts. The heat current for a temperature biased weak link is computed as a function of temperature and barrier transparency of the junction. The…

Superconductivity · Physics 2009-11-10 Erhai Zhao , Tomas Lofwander , J. A. Sauls

We discuss how phase coherence manifests in the heat transport through superconducting single and multichannel Josephson junctions in time dependent situations. We consider the heat current driven through the junction by a temperature…

Superconductivity · Physics 2015-03-02 P. Virtanen , F. Giazotto

We demonstrate that phase-dependent heat currents through superconductor-topological insulator Josephson junctions provide a useful tool to probe the existence of topological Andreev bound states, even for multi-channel surface states. We…

Mesoscale and Nanoscale Physics · Physics 2016-08-17 Björn Sothmann , Ewelina M. Hankiewicz

We investigate phase-coherent thermal transport in Josephson junctions made from unconventional superconductors or superfluids. The thermal conductance is evaluated for one- and two-dimensional junctions within the Bogoliubov-de Gennes…

Mesoscale and Nanoscale Physics · Physics 2019-07-09 Alexander G. Bauer , Björn Sothmann

We discuss the statistics of heat current between two superconductors at different temperatures connected by a generic weak link. As the electronic heat in superconductors is carried by Bogoliubov quasiparticles, the heat transport…

Superconductivity · Physics 2015-03-02 P. Virtanen , F. Giazotto

We study heat and charge transport through a normal diffusive wire coupled with a superconducting wire over the region smaller than the coherence length. Due to partial Andreev reflection of quasiparticles from the interface, the subgap…

Superconductivity · Physics 2014-12-03 E. V. Bezuglyi , V. Vinokur

We study the weak link between current-carrying superconductors, both conventional and d-wave. The state of the system is controlled by two parameters: the order parameter phase difference $\phi$ and the superfluid velocity $v_{s}$, which…

Superconductivity · Physics 2017-08-23 S. N. Shevchenko

Phase- and voltage bias-sensitive quasiparticle transport at a double $NIS_1IS_2$ interface is considered. The barriers $I$ range from tunnel to transparent, and the intermediate region $S_1$ has a width comparable to the superconducting…

Mesoscale and Nanoscale Physics · Physics 2014-04-16 David Gosselin , Gaston Hornecker , Régis Mélin , Denis Feinberg

We propose a model for the theoretical description of a weak-link Josephson junction, in which the weak link is spin-polarized due to proximity to a ferromagnetic metal (S-(F|S)-S). Employing Usadel transport theory appropriate for…

Superconductivity · Physics 2016-09-08 Jan Gelhausen , Matthias Eschrig

We present a theory describing the trapping and untrapping of quasiparticles in the Andreev bound level of a single-channel weak link between two superconductors. We calculate the rates of the transitions between even and odd occupations of…

Mesoscale and Nanoscale Physics · Physics 2014-03-06 D. G. Olivares , L. Bretheau , Ç. Ö. Girit , H. Pothier , C. Urbina , A. Levy Yeyati

The phase and thermal driven transport properties of the T-shaped uncorrelated double quantum dot Josephson junction are analyzed by using Keldysh non-equilibrium Green's function equation of motion technique. In this setup, we have shown…

Mesoscale and Nanoscale Physics · Physics 2023-03-10 Bhupendra Kumar , Sachin Verma , Ajay

We calculate the dependence of the interlayer quasiparticle conductivity, $\sigma_q$, in a Josephson coupled d-wave superconductor on the magnetic field B||c and the temperature T. We consider a clean superconductor with resonant impurity…

Superconductivity · Physics 2009-10-31 I. Vekhter , L. N. Bulaevskii , A. E. Koshelev , M. P. Maley

Using an approach based on quasiclassical Green's functions we present a theoretical study of transport in mesoscopic S/N structures in the diffusive limit. The subgap conductance in S/N structures with barriers (zero bias and finite bias…

Superconductivity · Physics 2009-10-31 A. F. Volkov , V. V. Pavlovskii , R. Seviour

We investigate thermal and non-local electrical transport in four-terminal Josephson junctions formed by a normal region coupled to two transverse chiral superconducting leads, supporting phases characterized by Chern numbers ${\cal…

Nonequilibrium effects and their impact on a charge transport in superconducting ballistic weak links biased by an ac voltage are investigated within the framework of the Keldysh technique. We demonstrate that the microwave field destroys…

Superconductivity · Physics 2008-02-03 Uwe Gunsenheimer , A. D. Zaikin

Two superconductors coupled by a weak link support an equilibrium Josephson electrical current which depends on the phase difference $\varphi$ between the superconducting condensates [1]. Yet, when a temperature gradient is imposed across…

Mesoscale and Nanoscale Physics · Physics 2017-05-25 Antonio Fornieri , Giuliano Timossi , Pauli Virtanen , Paolo Solinas , Francesco Giazotto

We consider a Josephson junction built with the two-dimensional semi-Dirac semimetal, which features a hybrid of linear and quadratic dispersion around a nodal point. We model the weak link between the two superconducting regions by a Dirac…

Superconductivity · Physics 2024-04-10 Ipsita Mandal

The thermal transport coefficients in a weakly magnetized quark-gluon plasma have been investigated within the ambit of a quasiparticle model to encode the effects of the realistic equation of state. The presence of a weak magnetic field…

Nuclear Theory · Physics 2020-07-27 Manu Kurian

The coherent mixing of the current states in the superconducting weak link subject to a Josephson phase difference $\phi$ and subject to an external transport current in the banks is one of the aims of this work. At $\phi=\pi $ the nonlocal…

Superconductivity · Physics 2007-05-23 Gholamreza Rashedi

We provide a brief and comprehensive overview over recent developments in the field of phase-coherent caloritronics in ordinary and topological Josephson junctions. We start from the simple case of a short, one-dimensional…

Mesoscale and Nanoscale Physics · Physics 2020-02-13 Sun-Yong Hwang , Björn Sothmann
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