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An in-plane magnetic field applied to an Ising superconductor converts spin-singlet Cooper pairs to spin-triplet ones. In this work, we study a Josephson junction formed by two Ising superconductors that are proximitized by ferromagnetic…

介观与纳米尺度物理 · 物理学 2022-01-03 Gaomin Tang , Raffael L. Klees , Christoph Bruder , Wolfgang Belzig

Spin-polarized transport is investigated in normal metal-superconductor (NS) junctions as a function of interface transmissivity as well as temperature when the density of states of a superconductor is Zeeman-split in response to an…

介观与纳米尺度物理 · 物理学 2008-04-03 F. Giazotto , F. Taddei

When a charge current is applied to a junction comprising two different conductors, its temperature increases or decreases depending on the direction of the charge current. This phenomenon is called the Peltier effect, which is used in…

介观与纳米尺度物理 · 物理学 2016-12-30 Shunsuke Daimon , Ryo Iguchi , Tomosato Hioki , Eiji Saitoh , Ken-ichi Uchida

Motivated by recent experiments (Subero et. al. Nature Comm. $\bf{14}$, 7924 (2023)) we analyze photonic heat transport through a Josephson junction in a dissipative environment. For this purpose we derive general expressions for the heat…

介观与纳米尺度物理 · 物理学 2026-03-04 A. Levy Yeyati , D. Subero , J. Pekola , R. Sánchez

We present a theoretical study of the spin-resolved Josephson diode effect in junctions comprising strongly spin-polarized conical magnets (FM) coupled to singlet superconductors (SC). The system is treated by making use of the…

超导电性 · 物理学 2025-08-11 Danilo Nikolić , Niklas L. Schulz , Alexander I. Buzdin , Matthias Eschrig

A Josephson supercurrent has been induced into the three-dimensional topological insulator Bi1.5Sb0.5Te1.7Se1.3. We show that the transport in Bi1.5Sb0.5Te1.7Se1.3 exfoliated flakes is dominated by surface states and that the bulk…

In this paper we extend our earlier analysis of the novel Josephson effect in triplet superconductor--ferromagnet--triplet superconductor (TFT) junctions [B. Kastening \emph{et al.}, Phys. Rev. Lett. {\bf{96}}, 047009 (2006)]. In our more…

超导电性 · 物理学 2009-01-26 P. M. R. Brydon , Boris Kastening , Dirk K. Morr , Dirk Manske

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…

超导电性 · 物理学 2009-11-10 S. Shirai , H. Tsuchiura , Y. Asano , Y. Tanaka , J. Inoue , Y. Tanuma , S. Kashiwaya

We study Josephson-like junctions formed by materials with antiferromagnetic (AF) order parameters. As an antiferromagnet, we consider a two-band material in which a spin density wave (SDW) arises. This could be Fe-based pnictides in the…

超导电性 · 物理学 2012-02-01 A. Moor , A. F. Volkov , K. B. Efetov

In information technology devices, current-driven state switching is crucial in various disciplines including spintronics, where the contribution of heating to the switching mechanism plays an inevitable role. Recently, current-driven…

材料科学 · 物理学 2024-05-21 Myoung-Woo Yoo , Virginia O. Lorenz , Axel Hoffmann , David G. Cahill

We calculate the Josephson current density j(phi) for a Weyl superconductor--normal-metal--superconductor junction for which the outer terminals are superconducting Weyl metals and the normal layer is a Weyl (semi)metal. We describe the…

介观与纳米尺度物理 · 物理学 2017-02-24 Kevin A. Madsen , Emil J. Bergholtz , Piet W. Brouwer

The increased capabilities of coupling more and more materials through functional interfaces are paving the way to a series of exciting experiments and extremely advanced devices. Here we focus on the capability of magnetically…

We study the Josephson current in a junction comprising two superconductors linked by a strong ferromagnet in presence of impurities. We focus on a regime where the electron (and hole) motion is ballistic over the exchange length and…

介观与纳米尺度物理 · 物理学 2009-11-13 F. Konschelle , J. Cayssol , A. Buzdin

We show that the fully polarized triplet s-wave component is characterized not only by the spin direction, but also by chirality. Interaction of a polarized triplet component and a singlet one results in creation of triplet Cooper pairs…

超导电性 · 物理学 2016-03-30 Andreas Moor , Anatoly F. Volkov , Konstantin B. Efetov

We study the Josephson effect in a superconductor--ferromagnet--superconductor (SFS) junction with ferromagnetic domains of non-collinear magnetization. As a model for our study we consider a diffusive junction with two ferromagnetic…

超导电性 · 物理学 2007-05-23 B. Crouzy , S. Tollis , D. A. Ivanov

Creating, manipulating and detecting spin polarized carriers are the key elements of spin based electronics. Most practical devices use a perpendicular geometry in which the spin currents, describing the transport of spin angular momentum,…

介观与纳米尺度物理 · 物理学 2012-01-17 Abraham Slachter , Frank Lennart Bakker , Jean-Paul Adam , Bart Jan van Wees

We study the Josephson effect in a triplet superconductor--ferromagnet--singlet superconductor junction. We show that the interaction of tunneling Cooper pairs with the interface magnetization can permit a Josephson current at the lowest…

超导电性 · 物理学 2013-08-22 P. M. R. Brydon , Wei Chen , Yasuhiro Asano , Dirk Manske

We calculate the dc Josephson current for two superconductor-ferromagnet (S/F) bilayers separated by a thin insulating film. It is demonstrated that the critical Josephson current $I_{c}$ in the junction strongly depends on the relative…

超导电性 · 物理学 2009-11-07 F. S. Bergeret , A. F. Volkov , K. B. Efetov

We construct a gravitational dual of a Josephson junction. Calculations on the gravity side reproduce the standard relation between the current across the junction and the phase difference of the condensate. We also study the dependence of…

高能物理 - 理论 · 物理学 2012-02-24 Gary T. Horowitz , Jorge E. Santos , Benson Way

Superconducting spintronics is based on the creation of spin-triplet Cooper pairs in ferromagnet-superconductor (F-S) hybrid junctions. Previous proposals to manipulate spin-polarized supercurrents on-demand typically require the ability to…

介观与纳米尺度物理 · 物理学 2020-05-06 Felix Keidel , Sun-Yong Hwang , Björn Trauzettel , Björn Sothmann , Pablo Burset