English
Related papers

Related papers: Nonlocal transport through multiterminal diffusive…

200 papers

We investigate theoretically charge transport in hybrid multiterminal junctions with superconducting leads kept at different voltages. It is found that multiple Andreev reflections involving several superconducting leads give rise to rich…

Mesoscale and Nanoscale Physics · Physics 2011-04-21 M. Houzet , P. Samuelsson

We study a non-Hermitian, multiterminal superconducting-normal system in order to identify experimental signatures of exceptional points. We focus on a minimal setting with a single spinful level, spin-dependent normal leads, and a…

Mesoscale and Nanoscale Physics · Physics 2026-05-20 Oliver Solow , Karsten Flensberg

We present a numerical model of local and nonlocal transport properties in a lateral spin valve structure consisting of two magnetic electrodes in contact with a third perpendicular superconducting electrode. By considering the transport…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 James Luke Webb , Bryan Hickey , Gavin Burnell

Transport through a one--dimensional wire of interacting electrons connected to semi--infinite leads is investigated using a bosonization approach. An incident electron is transmitted as a sequence of partial charges. The dc conductance is…

Condensed Matter · Physics 2009-10-28 I. Safi , H. J. Schulz

We study the transport properties of a NSN structure with an insulating barrier at each NS interface. Coherent quasiparticle scattering is assumed and self-consistency is implemented exactly to guarantee local charge conservation. The…

Superconductivity · Physics 2009-10-30 J. Sánchez-Cañizares , F. Sols

We report the results of several nonequilibrium experiments performed on superconducting/normal/superconducting (S/N/S) Josephson junctions containing either one or two extra terminals that connect to normal reservoirs. Currents injected…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. S. Crosser , Jian Huang , F. Pierre , Pauli Virtanen , Tero T. Heikkilä , F. K. Wilhelm , Norman O. Birge

Nonlocal tunneling spectroscopy of multiterminal semiconductor-superconductor hybrid devices is a powerful tool to investigate the Andreev bound states below the parent superconducting gap. We examine how to exploit both microscopic and…

Mesoscale and Nanoscale Physics · Physics 2022-10-03 Andrea Maiani , Max Geier , Karsten Flensberg

In this paper we present a method to numerically study transverse Hall conductances using a two-terminal setup. Using nonlinear transport concepts we find that the Hall voltage dependence on the model parameters can be investigated from the…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Alexis R. Hernández , Leandro R. F. Lima

By an exact formulation of tunnelling into a multi-band superconductor in terms of Green's functions, we demonstrate that the multi-band feature of the iron-based superconductors can lead to novel interference between Andreev reflections…

Superconductivity · Physics 2013-05-29 Da Wang , Yuan Wan , Qiang-Hua Wang

We argue that Coulomb interaction can strongly influence non-local electron transport in normal-superconducting-normal structures and emphasize direct relation between Coulomb effects and non-local shot noise. In the tunneling limit…

Superconductivity · Physics 2010-12-06 Dmitri S. Golubev , Andrei D. Zaikin

Motivated by recent scanning tunneling microscopy experiments on single magnetic impurities on superconducting surfaces, we present here a comprehensive theoretical study of the interplay between Yu-Shiba-Rusinov bound states and (multiple)…

Investigating the microscopic details of the proximity effect is crucial for both key experimental applications and fundamental inquiries into nanoscale devices featuring superconducting elements. In this work, we develop a framework…

Mesoscale and Nanoscale Physics · Physics 2024-12-11 Siddhant Midha , Roshni Singh , Kaveh Gharavi , Jonathan Baugh , Bhaskaran Muralidharan

We compare non-local magnetoresistance measurements in multi-terminal Ni nanostructures with corresponding local experiments. In both configurations, the measured voltages show the characteristic features of anisotropic magnetoresistance…

Mesoscale and Nanoscale Physics · Physics 2011-10-10 Daniel Rüffer , Franz D. Czeschka , Rudolf Gross , Sebastian T. B. Goennenwein

A detailed investigation of the non-equilibrium steady-state electric and thermoelectric transport properties of a quantum dot coupled to the normal metallic and s-wave superconducting reservoirs (N-QD-S) are provided within the Coulomb…

Mesoscale and Nanoscale Physics · Physics 2022-02-22 Sachin Verma , Ajay

Many-body transport has emerged as an efficient tool for understanding interaction effects in quantum materials with a multi-band electronic structure. This paper proposes a formula for the two-particle transmission coefficient for…

Superconductivity · Physics 2023-02-02 G. Tkachov

Nonequilibrium electronic transport through a molecular level weakly coupled to a single coherent phonon/vibration mode has been studied for superconducting leads. The Keldysh Green function formalism is used to compute the current for the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Zazunov , R. Egger , C. Mora , T. Martin

We study three-terminal linear and nonlinear transport through an Aharonov-Bohm interferometer containing a double quantum dot using the nonequilibrium Green's function method. Under the condition that one of the three terminals is a…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Toshihiro Kubo , Yuki Ichigo , Yasuhiro Tokura

We study the band structure and transport properties of ferromagnetic tetragonal silicene nanoribbons by using the non-equilibrium Green's function method. The band structure and spin-dependent conductance are discussed under the combined…

Mesoscale and Nanoscale Physics · Physics 2023-01-04 Liehong Liao , Ying Ding , Fei Wan , Jiayan Zhang , Zhihui Chen , Xinyu Cheng , Ru Bai , Gaofeng Xu , Yuan Li

We propose a superconducting phase-controlled thermal switch based on a four-terminal graphene-superconductor system. By the coupling of two superconducting leads on a zigzag graphene nanoribbon, both the normal-transmission coefficient and…

Mesoscale and Nanoscale Physics · Physics 2024-10-30 Peng-Yi Liu , Yue Mao , Qing-Feng Sun

Recent experiments have demonstrated the nonequilibrium control of the supercurrent through diffusive phase-coherent normal-metal weak links. The experimental results have been accurately described by the quasiclassical Green's function…

Superconductivity · Physics 2009-11-07 Tero T. Heikkilä , Jani Särkkä , Frank K. Wilhelm
‹ Prev 1 3 4 5 6 7 10 Next ›