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Related papers: Current-biased Andreev interferometer

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The fundamental features of the detection of non-stationary undulatory perturbations of metrics based on the interference effects are considered. The advantage of the Aharonov-Bohm effect in superconductors for these purposes in comparison…

General Relativity and Quantum Cosmology · Physics 2007-05-23 A. I. Golovashkin , G. N. Izmailov , G. V. Kuleshova , A. M. Tzhovrebov , Tran Quoc Khanh

We examine the effect of d-wave symmetry on zero bias anomalies in normal-superconducting tunnel junctions and phase-periodic conductances in Andreev interferometers. In the presence of d-wave pairing, zero-bias anomalies are suppressed…

Condensed Matter · Physics 2009-10-28 P. M. A. Cook , R. Raimondi , C. J. Lambert

We present measurements on hybrid single-electron turnstiles with superconducting leads contacting a normal island (SINIS). We observe Andreev tunneling of electrons influencing the current plateau characteristics of the turnstiles under…

Mesoscale and Nanoscale Physics · Physics 2011-12-15 T. Aref , V. F. Maisi , M. V. Gustafsson , P. Delsing , J. P. Pekola

Superconducting systems may display different types of nonequilibrium states depending on the specific constraints imposed for measurement. We probe current-voltage relations of three-dimensional superconducting films by allowing finite…

Superconductivity · Physics 2026-01-27 Shamashis Sengupta

We present measurements of current noise and cross-correlations in three-terminal Superconductor-Normal metal-Superconductor (S-N-S) nanostructures that are potential solid-state entanglers thanks to Andreev reflections at the N-S…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 B. Kaviraj , O. Coupiac , H. Courtois , F. Lefloch

We analyze the subgap spectrum and transport properties of the quantum dot embedded between one superconducting and another metallic reservoirs and additionally coupled to an external boson mode. Emission/absorption of the bosonic quanta…

Superconductivity · Physics 2015-07-24 J. Baranski , T. Domanski

We present here an extensive theoretical analysis of the supercurrent of a superconducting point contact of arbitrary transparency in the presence of a microwave field. Our study is mainly based on two different approaches: a two-level…

Superconductivity · Physics 2015-05-28 F. S. Bergeret , P. Virtanen , A. Ozaeta , T. T. Heikkilä , J. C. Cuevas

The analysis of waiting times of electron transfers has recently become experimentally accessible owing to advances in noninvasive probes working in the short-time regime. We study electron waiting times in a topological Andreev…

Superconductivity · Physics 2024-03-21 Paramita Dutta , Jorge Cayao , Annica M. Black-Schaffer , Pablo Burset

We present a theory of the current-voltage characteristics in diffusive superconductor-normal-metal-superconductor junctions. By solving the time-dependent Usadel equations we are able to describe the phase-coherent transport for arbitrary…

Superconductivity · Physics 2009-11-11 J. C. Cuevas , J. Hammer , J. Kopu , J. K. Viljas , M. Eschrig

To investigate quantum nature of two dimensional electrons subject to high perpendicular magnetic fields, usually a planar electronic Fabry-P\'erot interferometer is utilized. In this work, we investigate an interferometer defined on a…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 S. Seyyare Aksu , Oguzhan Kasikci , A. Siddiki

We experimentally study electron transport across a single planar junction between the indium electrode and MnTe altermagnet candidate. We confirm standard Ohmic behavior with strictly linear current-voltage curves above the indium critical…

Mesoscale and Nanoscale Physics · Physics 2024-10-17 D. Yu. Kazmin , V. D. Esin , Yu. S. Barash , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

Supercurrent diodes are nonreciprocal electronic elements whose switching current depends on their flow direction. Recently, a variety of composite systems combining different materials and engineered asymmetric superconducting devices have…

The electrical transport properties of corner-shaped Al superconducting microstrips have been investigated. We demonstrate that the sharp turns lead to asymmetric vortex dynamics, allowing for easier penetration from the inner concave angle…

We report measurements of the thermopower S of mesoscopic Andreev interferometers, which are hybrid loops with one arm fabricated from a superconductor (Al), and one arm from a normal metal (Au). S depends on the phase of electrons in the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Jonghwa Eom , Chen-Jung Chien , Venkat Chandrasekhar

The first evidence of anomalous Josephson effect is reported in mesoscopic superconductor-normal metal-superconductor (SNS) junctions forming a crosslike Andreev Interferometer in the absence of magnetic and spin-orbit interactions normally…

Superconductivity · Physics 2023-06-02 D. Margineda , J. S. Claydon , F. Qejvanaj , C. Checkley

Tunneling conductance spectroscopy in normal metal-superconductor junctions is an important tool for probing Andreev bound states in mesoscopic superconducting devices, such as Majorana nanowires. In an ideal superconducting device, the…

Mesoscale and Nanoscale Physics · Physics 2021-02-17 André Melo , Chun-Xiao Liu , Piotr Rożek , Tómas Örn Rosdahl , Michael Wimmer

Sub-gap conductance at a large area junction with a rough interface of a ferromagnet and a high-T$_{C}$ superconductor is superimposed by multiple peaks which is not expected from an ideal point contact Andreev reflection process. We…

Superconductivity · Physics 2009-03-25 N. Ghosh , H. Schmidt , M. Grundmann

We apply time-dependent density-functional theory to study many-electron transport in Aharonov-Bohm interferometers in a non-equilibrium situation. The conductance properties in the system are complex and depend on the enclosed magnetic…

Strongly Correlated Electrons · Physics 2013-10-31 A. Salman , V. Kotimaki , A. Siddiki , E. Rasanen

It is shown that in spin injection experiments the interplay between external magnetic field and alternating current can be observed already on a single ferromagnet/normal metal interface. The interface resistance is predicted to exhibit…

Materials Science · Physics 2024-06-27 Ya. B. Bazaliy

We propose minimal transport experiments in the coherent regime that can probe the chirality of twisted moir\'e structures. We show that only with a third contact and in the presence of an in-plane magnetic field (or other time-reversal…

Mesoscale and Nanoscale Physics · Physics 2024-04-18 Dario A. Bahamon , Guillermo Gómez-Santos , Dmitri K. Efetov , Tobias Stauber
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