English
Related papers

Related papers: The energy resolution function of a tunnel junctio…

200 papers

The absence of a band-gap in graphene limits the gate modulation of its electron conductivity, both in regular graphene as well as in PN junctions, where electrostatic barriers prove transparent to Klein tunneling. We demonstrate a novel…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Redwan Sajjad , Avik Ghosh

We consider a transmission line resonator which is driven by electrons tunneling through a voltage-biased tunnel junction. Using the Born-Markovian quantum master equation in the polaron basis we investigate the nonequilibrium photon state…

Mesoscale and Nanoscale Physics · Physics 2016-02-15 Jinshuang Jin , Michael Marthaler , Gerd Schön

We show that in a central nucleus-nucleus collision, the variation of the mean transverse mass with the multiplicity is determined, up to a rescaling, by the variation of the energy over entropy ratio as a function of the entropy density,…

Nuclear Theory · Physics 2017-10-13 Akihiko Monnai , Jean-Yves Ollitrault

The tunneling probability for a system modelling macroscopic quantum tunneling is computed. We consider an open quantum system with one degree of freedom consisting of a particle trapped in a cubic potential interacting with an environment…

Quantum Physics · Physics 2007-05-23 Esteban Calzetta , Enric Verdaguer

1. Introduction 2. Description of the environment 3. Electron tunneling rates for single tunnel junctions 4. Examples of electromagnetic environments 5. Tunneling rates in Josephson junctions 6. Double junction and single electron…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Gert-Ludwig Ingold , Yu. V. Nazarov

The full physics potential of the next-generation Deep Underground Neutrino Experiment (DUNE) is still being explored. In particular, there have been some recent studies on the possibility of improving DUNE's neutrino energy reconstruction.…

High Energy Physics - Phenomenology · Physics 2021-09-13 Sabya Sachi Chatterjee , P. S. Bhupal Dev , Pedro A. N. Machado

The performance of many superconducting devices is degraded in presence of non-equilibrium quasiparticles in the superconducting part. One promising approach towards their evacuation is the use of normal-metal quasiparticle traps, where…

Mesoscale and Nanoscale Physics · Physics 2020-05-15 R. P. Schmit , F. K. Wilhelm

We study the electronic properties of an array of small metallic grains connected by tunnel junctions. Such an array serves as a model for a granular metal. Previous theoretical studies of junction arrays were based on models of quantum…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 I. S. Beloborodov , K. B. Efetov , Alexander Altland , F. W. J. Hekking

Uranium ditelluride (UTe$_2$) is the strongest contender to date for a $p$-wave superconductor in bulk form. Here we perform a spectroscopic study of the ambient pressure superconducting phase of UTe$_2$, measuring conductance through…

Here a new microscopic method is proposed to image and characterize very thin samples like few-layer materials, organic molecules, and nanostructures with nanometer or sub-nanometer resolution using electron beams of energies lower than 20…

Instrumentation and Detectors · Physics 2016-01-06 Ing-Shouh Hwang

We report measurements of the non-equilibrium electron energy distribution in carbon nanotubes. Using tunneling spectroscopy via a superconducting probe, we study the shape of the local electron distribution functions, and hence energy…

Mesoscale and Nanoscale Physics · Physics 2010-08-03 Yung-Fu Chen , Travis Dirks , Gassem Al-Zoubi , Norman Birge , Nadya Mason

This letter presents experiments on junctions fabricated by a new technique that enables the use of high quality aluminum oxide tunnel barriers with normal metal electrodes at low temperatures. Inverse proximity effect is applied to…

Mesoscale and Nanoscale Physics · Physics 2013-03-27 J. V. Koski , J. T. Peltonen , M. Meschke , J. P. Pekola

Routinely, experiments on tunneling molecular junctions report values of conductances ($G_{RT}$) and currents ($I_{RT}$) measured at room temperature. On the other side, theoretical approaches based on simplified models provide analytic…

Mesoscale and Nanoscale Physics · Physics 2023-05-17 Ioan Baldea

We present a computational study of the adhesive and structural properties of the Al/Al2O3 interfaces as building blocks of the Metal-Insulator-Metal (MIM) tunnel devices, where electron transport is accomplished via tunnelling mechanism…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 M. Koberidze , M. J. Puska , R. M. Nieminen

We examine current fluctuations in tunnel junctions driven by a superposition of a constant and a sinusoidal voltage source. In standard setups the external voltage is applied to the tunneling element via an impedance providing an…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Moritz Frey , Hermann Grabert

We consider the conductance of a one-dimensional wire interrupted by a double-barrier structure allowing for a resonant level. Using the electron-electron interaction strength as a small parameter, we are able to build a non-perturbative…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Yu. V. Nazarov , L. I. Glazman

We consider a junction between surface $p$-type and surface $n$-type on an ideal topological insulator in which carrier type and density in two adjacent regions are locally controlled by composition graded doping or electrical gating. Such…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Jing Wang , Xi Chen , Bang-Fen Zhu , Shou-Cheng Zhang

We propose a phenomenological description of electronic transport through a normal metal/superconductor interface of arbitrary transparency, which accounts for the presence of electron-electron interaction in the normal metal. The effect of…

Superconductivity · Physics 2007-05-23 H. T. Man , T. M. Klapwijk , A. F. Morpurgo

We have investigated the effect of a difference in the tunnelling resistances of the individual normal metal-insulator-superconductor (NIS) tunnel junctions in a double junction SINIS device, with particular emphasis on the impact on the…

Mesoscale and Nanoscale Physics · Physics 2012-02-01 S. Chaudhuri , I. J. Maasilta

We describe electron transport through small metallic grains with Coulomb blockade effects beyond the perturbative regime. For this purpose we study the real-time evolution of the reduced density matrix of the system. In the first part of…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 D. S. Golubev , Jürgen König , Herbert Schoeller , Gerd Schön , A. D. Zaikin