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Related papers: Static charge-imbalance effects in intrinsic Josep…

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We report on two types of experiments with intrinsic Josephson systems made from layered superconductors which show clear evidence of nonequilibrium effects: 1. In 2-point measurements of IV-curves in the presence of high- frequency…

Superconductivity · Physics 2009-11-07 S. Rother , Y. Koval , P. Muller , R. Kleiner , D. A. Ryndyk , J. Keller , C. Helm

Nonequilibrium effects in layered superconductors forming a stack of intrinsic Josephson junctions are investigated. We discuss two basic nonequilibrium effects caused by charge fluctuations on the superconducting layers: a) the shift of…

Superconductivity · Physics 2009-11-07 D. A. Ryndyk , J. Keller , C. Helm

Quasiparticle injection devices are considered as one of the candidates for the high temperature superconductor transistors, which can operate at liquid nitrogen temperatures. In these devices the nonequilibrium effects are created by…

We predict a new dynamic state in current-carrying superconductors with multicomponent order parameter. If the current density J exceeds a critical value J_t, an interband breakdown caused by charge imbalance of nonequilibrium…

Superconductivity · Physics 2009-11-07 A. Gurevich , V. M. Vinokur

We study analytically and numerically the influence of the quasiparticle charge imbalance on the dynamics of the asymmetric Josephson stack formed by two inequivalent junctions: the fast capacitive junction $JJ_{1}$ and slow non-capacitive…

Superconductivity · Physics 2019-09-04 S. V. Bakurskiy , A. A. Neilo , N. V. Klenov , I. I. Soloviev , M. Yu. Kupriyanov

A microscopic theory for the coupling of intrinsic Josephson oscillations due to charge fluctuations on the quasi two-dimensional superconducting layers is presented. Thereby in close analogy to the normal state the effect of the scalar…

Superconductivity · Physics 2009-10-31 Ch. Helm , J. Keller , Ch. Preis , A. Sergeev

Charge formations on superconducting layers and creation of the longitudinal plasma wave in the stack of intrinsic Josephson junctions change crucially the superconducting current through the stack. Investigation of the correlations of…

Superconductivity · Physics 2009-04-22 Yu. M. Shukrinov , M. Hamdipour , M. R. Kolahchi

Equations describing the resistive state of a layered superconductor with anisotropic pairing are derived. The similarity with a stack of Josephson junctions is found at small voltages only, when current density in the direction…

Superconductivity · Physics 2009-10-30 S. N. Artemenko , A. G. Kobelkov

We investigate stationary charge imbalance effect in the system of coupled overdamped Josephson junctions. We show that coupling between junction and nonzero stationary charge imbalance in the resistive state bring to a decrease of the…

Superconductivity · Physics 2020-01-08 K. V. Kulikov , M. Nashaat , Yu. M. Shukrinov

The stationary Josephson effect in a system of ballistic graphene is studied in the framework of quasiclassical Green's function theory. Reflecting the ultimate two-dimensionality of graphene, a Josephson junction involving a graphene sheet…

Mesoscale and Nanoscale Physics · Physics 2012-08-24 Yositake Takane , Ken-Ichiro Imura

We present a detailed study of nonequilibrium Josephson currents and conductance in ballistic multiterminal SNS-devices. Nonequilibrium is created by means of quasiparticle injection from a normal reservoir connected to the normal part of…

Superconductivity · Physics 2009-10-31 P. Samuelsson , J. Lantz , V. S. Shumeiko , G. Wendin

We study nonequilibrium charge transport in a double-barrier Josephson junction, including nonstationary phenomena, using the time-dependent quasiclassical Keldysh Green's function formalism. We supplement the kinetic equations by…

Superconductivity · Physics 2009-11-10 A. Brinkman , A. A. Golubov , H. Rogalla , F. K. Wilhelm , M. Yu. Kupriyanov

The stationary Josephson effect is studied theoretically in the situation when there is externally injected transport supercurrent which flows in the banks parallel to the contact interface. Coexistence of this supercurrent with the order…

Superconductivity · Physics 2015-06-25 A. N. Omelyanchouk , S. N. Shevchenko , Yu. A. Kolesnichenko

We study theoretically the Josephson effect in junctions based on unconventional superconductors with diffusive barriers, using the quasiclassical Green's function formalism. Generalized boundary conditions at junction interfaces applicable…

Superconductivity · Physics 2009-11-11 T. Yokoyama , Y. Tanaka , A. A. Golubov

We present a theory of the Josephson effect in a twofold-tilted Josephson junction made by d-wave anisotropic layered superconductors. We find the appearance of an intrinsic electrical resistance that arises from the misalignment of the…

Strongly Correlated Electrons · Physics 2012-04-13 Ciro Nappi , Sergio De Nicola , Maria Adamo , Ettore Sarnelli

Nonequilibrium electrons in superconductors relax and eventually recombine into Cooper pairs. Relaxation is facilitated by electron-boson interaction and is accompanied by emission of nonequilibrium bosons. Here I solve numerically a full…

Superconductivity · Physics 2009-11-27 V. M. Krasnov

To reveal the influence of the exchange interaction on the Josephson effect, the d.c. Josephson current in unconventional-superconductor / ferromagnet / unconventional-superconductor junctions is studied. When the two superconductors have…

Superconductivity · Physics 2007-05-23 Y. Tanaka , S. Kashiwaya

We study the Josephson effect in D/I/DN/I/D junctions, where I, DN and D denote an insulator, a diffusive normal metal and a d-wave superconductor, respectively.The Josephson current is calculated based on the quasiclassical Green's…

Superconductivity · Physics 2009-11-11 T. Yokoyama , Y. Tanaka , A. A. Golubov , Y. Asano

We theoretically study the coupling of electric charge and spin polarization in an equilibrium and nonequilibrium electric transport across a two dimensional Josephson configuration comprised of disordered surface channels of a three…

Strongly Correlated Electrons · Physics 2016-10-12 I. V. Bobkova , A. M. Bobkov , Alexander A. Zyuzin , Mohammad Alidoust

Conductivity mechanism in the regime of the intrinsic Josephson effect in layered superconductors with singlet d-wave pairing is studied theoretically. The cases of coherent and incoherent interlayer tunneling of electrons are considered.…

Superconductivity · Physics 2007-05-23 S. N. Artemenko
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