English
Related papers

Related papers: Effect of Quasiparticles Injection on the AC Respo…

200 papers

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

We have investigated theoretically the conductance of a Normal-Superconductor point-contact in the tunnel limit and analyzed the quantum interference effects originating from the scattering of quasiparticles by point-like defects.…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Ye. S. Avotina , Yu. A. Kolesnichenko , J. M. van Ruitenbeek

We derive generalized quasiclassical transport equations which include the terms responsible for the Hall Effect in the vortex state of a clean type-II superconductor, and calculate the conductivity tensor for an s-wave superconductor in…

Superconductivity · Physics 2009-10-30 A. Houghton , I. Vekhter

In a superconductor absorption of photons with an energy below the superconducting gap leads to redistribution of quasiparticles over energy and thus induces a strong non-equilibrium quasiparticle energy distribution. We have measured the…

Superconductivity · Physics 2014-02-04 P. J. de Visser , D. J. Goldie , P. Diener , S. Withington , J. J. A. Baselmans , T. M. Klapwijk

The physical properties of low energy superconducting quasiparticles in high- $T_c$ superconductors are examined using magnetic penetration depth and specific heat experimental data. We find that the low energy density of states of…

Superconductivity · Physics 2009-10-31 T. Xiang , C. Panagopoulos

We argue that spin-sensitive quasiparticle scattering may generate electron-hole imbalance in superconducting structures, such as, e.g., superconducting-normal hybrids with spin-active interfaces. We elucidate a transparent physical…

Superconductivity · Physics 2014-10-03 Mikhail S. Kalenkov , Andrei D. Zaikin

Hybrid Superconductor/Ferromagnet structures have been investigated recently to address the interplay between ferromagnetism and superconductivity. They also open up new routes for the investigation of out of equilibrium superconductivity.…

Superconductivity · Physics 2015-05-13 R. Latempa , M. Aprili , I. Petkovic

At low temperature, the concentration of quasiparticles observed in superconducting circuits far exceeds the predictions of microscopic BCS theory at equilibrium. As a source of dissipation, these excess quasiparticles degrade the…

Superconductivity · Physics 2025-12-18 Romy Morin , Denis M. Basko , Manuel Houzet , Julia S. Meyer

We discuss the nonlinear current of an interacting quantum dot coupled to normal and superconducting reservoirs with applied voltage and temperature differences. Due to the particle-hole symmetry introduced by the superconducting lead, the…

Mesoscale and Nanoscale Physics · Physics 2015-03-24 Sun-Yong Hwang , Rosa Lopez , David Sanchez

The consequences of localized, classical magnetic moments in superconductors are explored and their effect on the spectral properties of the intragap bound states is studied. Above a critical moment, a localized quasiparticle excitation in…

Superconductivity · Physics 2016-08-31 M. I. Salkola , A. V. Balatsky , J. R. Schrieffer

A theory of spin transport and spin detection in Zeeman-split superconducting films at low temperatures is developed. It is shown that an injection of spin-unpolarized quasiparticles into a Zeeman-split superconductor gives rise to a spin…

Superconductivity · Physics 2016-11-08 I. V. Bobkova , A. M. Bobkov

The renormalization factor, dubbed ``quasiparticle charge'' Z_e, of the coupling between the supercurrent and quasiparticles was analyzed in the context of high temperature cuprates in a recent paper by Ioffe and Millis. They observed that…

Superconductivity · Physics 2009-11-07 Hae-Young Kee , Yong Baek Kim

Nonequilibrium effects created by stationary current injection in layered d-wave superconductors forming a stack of intrinsic Josephson junctions are studied. Starting from a nonequilibrium Green function theory we derive microscopic…

Superconductivity · Physics 2009-11-10 J. Keller , D. A. Ryndyk

We study decoherence in superconducting qubits due to quasiparticle tunneling which is enhanced by two known deviations from the equilibrium BCS theory. The first process corresponds to tunneling of an already existing quasiparticle across…

Mesoscale and Nanoscale Physics · Physics 2012-04-20 Juha Leppäkangas , Michael Marthaler

We review the recent progress in understanding the properties of spin-split superconductors under non-equilibrium conditions. Recent experiments and theories demonstrate a rich variety of transport phenomena occurring in devices based on…

Superconductivity · Physics 2019-02-01 F. Sebastian Bergeret , Mikhail Silaev , Pauli Virtanen , Tero T. Heikkila

Identifying, quantifying, and suppressing decoherence mechanisms in qubits are important steps towards the goal of engineering a quantum computer or simulator. Superconducting circuits offer flexibility in qubit design; however, their…

Much of modern condensed matter physics is understood in terms of elementary excitations, or quasiparticles - fundamental quanta of energy and momentum. Various strongly-interacting atomic systems are successfully treated as a collection of…

Strongly Correlated Electrons · Physics 2010-07-28 Matthew B. Stone , Igor A. Zaliznyak , Tao Hong , Collin L. Broholm , Daniel H. Reich

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

The local nonequilibrium quasiparticle distribution function in a normal-metal wire depends on the applied voltage over the wire and the type and strength of different scattering mechanisms. We show that in a setup with superconducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Tero T. Heikkila , Tommy Vanska , Frank K. Wilhelm

Through variational Monte Carlo calculation on Gutzwiller projected wave functions, we study the quasiparticle(qp) weight for adding and removing an electron from a high temperature superconductor. We find the qp weight is particle-hole…

Superconductivity · Physics 2009-11-11 Hong-Yu Yang , Fan Yang , Yong-Jin Jiang , Tao Li
‹ Prev 1 3 4 5 6 7 10 Next ›