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Related papers: Electron Pair Resonance in the Coulomb Blockade

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We present a comprehensive set of numerically exact results for the Anderson model of a quantum dot coupled to two electrodes in non-equilibrium regime. We use a high order perturbative expansion in power of the interaction $U$, coupled to…

Strongly Correlated Electrons · Physics 2026-03-04 Matthieu Jeannin , Yuriel Núñez-Fernández , Thomas Kloss , Olivier Parcollet , Xavier Waintal

Transport and non-equilibrium magnetization in monolayers of magnetic molecules subject to a bias voltage are considered. We apply a master-equation approach going beyond the sequential-tunneling approximation to study the Coulomb-blockade…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Florian Elste , Carsten Timm

It is shown that the voltage dependence of the tunneling conductance between two lightly doped semiconductors, which are separated by an large area tunneling barrier, can reveal the high energy part of the Coulomb gap if the barrier is…

Condensed Matter · Physics 2015-06-24 A. I. Larkin , B. I. Shklovskii

Due to the Coulomb blockade effect, electrons rarely bunch during transport, a phenomenon observed only in a few specially engineered mesoscopic configurations. In this work, we introduce an atomically resolved shot-noise study to…

Strongly Correlated Electrons · Physics 2025-11-18 A. Maiti , M. Amato , V. S. Stolyarov , H. Aubin , J. Estève , F. Pistolesi , M. Aprili , F. Massee

Coulomb blockade (CB) in a quantum dot (QD) with one anomalously broad level is considered. In this case many consecutive pronounced CB peaks correspond to occupation of one and the same broad level. Between the peaks the electron jumps…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 P. G. Silvestrov , Y. Imry

We report measurements of current noise auto- and cross-correlation in a tunable quantum dot with two or three leads. As the Coulomb blockade is lifted at finite source-drain bias, the auto-correlation evolves from super-Poissonian to…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Y. Zhang , L. DiCarlo , D. T. McClure , M. Yamamoto , S. Tarucha , C. M. Marcus , M. P. Hanson , A. C. Gossard

The tunneling through a ferromagnet/normal metal/ferromagnet double junction in the Coulomb blockade regime is studied, assuming that the spin relaxation time of electron in the central metallic island is sufficiently large. Using the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. Giang Bach , V. Hung Nguyen , T. Anh Pham

The charge localization of single electrons on mesoscopic metallic islands leads to a suppression of the electrical current, known as the Coulomb blockade. When this correction is small, it enables primary electron thermometry, as it was…

Mesoscale and Nanoscale Physics · Physics 2021-07-23 Nikolai Yurttagül , Matthew Sarsby , Attila Geresdi

The rate-equation approach is used to describe sequential tunneling through a molecular junction in the Coulomb blockade regime. Such device is composed of molecular quantum dot (with discrete energy levels) coupled with two metallic…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Kamil Walczak

We report the experimental observation of the recently predicted peaks on the I-V curve of the superconducting single-electron transistor at relatively high temperatures. The peaks are due to the matching of singularities in the…

Superconductivity · Physics 2009-10-30 Y. Nakamura , A. N. Korotkov , C. D. Chen , J. S. Tsai

The effective on-site Coulomb interaction (Hubbard $U$) between localized \textit{d} electrons in 3\textit{d}, 4\textit{d}, and 5\textit{d} transition metals is calculated employing a new parameter-free realization of the constrained…

Strongly Correlated Electrons · Physics 2015-05-27 Ersoy Sasioglu , Christoph Friedrich , Stefan Blügel

We study cotunneling in a double junction Coulomb blockade device under the influence of time dependent potentials. It is shown that the ac-bias leads to photon assisted cotunneling which in some cases may dominate the transport. We derive…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 Karsten Flensberg

We investigate single-electron transport through quantum dots with negative charging energy induced by a polaronic energy shift. For weak dot-lead tunnel couplings, we demonstrate a bipolaronic blockade effect at low biases which suppresses…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Tie-Feng Fang , Shu-Feng Zhang , Chun-Jiang Niu , Qing-feng Sun

We discuss the role of electron-electron and electron-phonon correlations in current flow in the Coulomb Blockade regime, focusing specifically on nontrivial signatures arising from the break-down of mean-field theory. By solving transport…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 B. Muralidharan , L. Siddiqui , A. W. Ghosh

Motivated by recent experiments on superconducting circuits consisting of a dc-voltage biased Josephson junction in series with a resonator, quantum properties of these devices far from equilibrium are studied. This includes a crossover…

Mesoscale and Nanoscale Physics · Physics 2013-12-23 Vera Gramich , Björn Kubala , Selina Rohrer , Joachim Ankerhold

Coulomb blockade phenomena and quantum fluctuations are studied in mesoscopic metallic tunnel junctions with high charging energies. If the resistance of the barriers is large compared to the quantum resistance, transport can be described…

Condensed Matter · Physics 2009-10-22 Herbert Schoeller , Gerd Schoen

Properties of one-dimensional (1D) arrays of low Ohmic tunnel junctions (i.e. junctions with resistances comparable to, or less than, the quantum resistance $R_{\rm q}\equiv h/e^2\approx 25.8$ k$\Omega$) have been studied experimentally and…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Sh. Farhangfar , R. S. Poikolainen , J. P. Pekola , D. S. Golubev , A. D. Zaikin

In this paper we use sets of de Broglie-Bohm trajectories to describe the quantum correlation effects which take place between the electrons in helium atom due to exchange and Coulomb interactions. A short-range screening of the Coulomb…

Atomic Physics · Physics 2025-02-07 Ivan P. Christov

We have theoretically investigated the transport properties of a ring-shaped array of small tunnel junctions, which is weakly coupled to the drain electrode. We have found that the long range interaction together with the semi-isolation of…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Mincheol Shin , Seongjae Lee , Kyoung Wan Park , El-Hang Lee

A tunable directional coupler based on Coulomb Blockade effect is presented. Two electron waveguides are coupled by a quantum dot to an injector waveguide. Electron confinement is obtained by surface Schottky gates on single GaAs/AlGaAs…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 P. Pingue , V. Piazza , F. Beltram , I. Farrer , D. A. Ritchie , M. Pepper